Home / 5,901.19-8,139.45-3,882.17

Finding the Fourth Proportional to 5,901.19, 8,139.45 and 3,882.17

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Solution

The fourth proportional to 5,901.19, 8,139.45 and 3,882.17 is: 5,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.19 : 8,139.45 = 3,882.17 : x
  2. Step 2: Convert to fraction form
    5,901.19/8,139.45 = 3,882.17/x
  3. Step 3: Cross multiply
    5,901.19x = 8,139.45 × 3,882.17
  4. Step 4: Simplify right side
    5,901.19x = 31,598,728.61
  5. Step 5: Solve for x
    x = 31,598,728.61/5,901.19
  6. Step 6: Final answer
    x = 5,354.64

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Half scale
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Double scale
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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.