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Finding the Fourth Proportional to 7,516.76, 10,373.14 and 4,159.71

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Solution

The fourth proportional to 7,516.76, 10,373.14 and 4,159.71 is: 5,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.76 : 10,373.14 = 4,159.71 : x
  2. Step 2: Convert to fraction form
    7,516.76/10,373.14 = 4,159.71/x
  3. Step 3: Cross multiply
    7,516.76x = 10,373.14 × 4,159.71
  4. Step 4: Simplify right side
    7,516.76x = 43,149,254.19
  5. Step 5: Solve for x
    x = 43,149,254.19/7,516.76
  6. Step 6: Final answer
    x = 5,740.41

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Find fourth proportional to 3,758.38, 5,186.57 and 2,079.86
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.