Home / 5,227.28-7,842.24-2,306.40

Finding the Fourth Proportional to 5,227.28, 7,842.24 and 2,306.40

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Solution

The fourth proportional to 5,227.28, 7,842.24 and 2,306.40 is: 3,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.28 : 7,842.24 = 2,306.40 : x
  2. Step 2: Convert to fraction form
    5,227.28/7,842.24 = 2,306.40/x
  3. Step 3: Cross multiply
    5,227.28x = 7,842.24 × 2,306.40
  4. Step 4: Simplify right side
    5,227.28x = 18,087,342.34
  5. Step 5: Solve for x
    x = 18,087,342.34/5,227.28
  6. Step 6: Final answer
    x = 3,460.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.