Home / 7,341.19-10,130.76-3,984.12

Finding the Fourth Proportional to 7,341.19, 10,130.76 and 3,984.12

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Solution

The fourth proportional to 7,341.19, 10,130.76 and 3,984.12 is: 5,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.19 : 10,130.76 = 3,984.12 : x
  2. Step 2: Convert to fraction form
    7,341.19/10,130.76 = 3,984.12/x
  3. Step 3: Cross multiply
    7,341.19x = 10,130.76 × 3,984.12
  4. Step 4: Simplify right side
    7,341.19x = 40,362,163.53
  5. Step 5: Solve for x
    x = 40,362,163.53/7,341.19
  6. Step 6: Final answer
    x = 5,498.04

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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.