Home / 7,511.79-10,366.19-4,154.67

Finding the Fourth Proportional to 7,511.79, 10,366.19 and 4,154.67

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Solution

The fourth proportional to 7,511.79, 10,366.19 and 4,154.67 is: 5,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.79 : 10,366.19 = 4,154.67 : x
  2. Step 2: Convert to fraction form
    7,511.79/10,366.19 = 4,154.67/x
  3. Step 3: Cross multiply
    7,511.79x = 10,366.19 × 4,154.67
  4. Step 4: Simplify right side
    7,511.79x = 43,068,077.83
  5. Step 5: Solve for x
    x = 43,068,077.83/7,511.79
  6. Step 6: Final answer
    x = 5,733.40

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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.