Home / 5,981.12-8,248.36-3,742.28

Finding the Fourth Proportional to 5,981.12, 8,248.36 and 3,742.28

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Solution

The fourth proportional to 5,981.12, 8,248.36 and 3,742.28 is: 5,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.12 : 8,248.36 = 3,742.28 : x
  2. Step 2: Convert to fraction form
    5,981.12/8,248.36 = 3,742.28/x
  3. Step 3: Cross multiply
    5,981.12x = 8,248.36 × 3,742.28
  4. Step 4: Simplify right side
    5,981.12x = 30,867,672.66
  5. Step 5: Solve for x
    x = 30,867,672.66/5,981.12
  6. Step 6: Final answer
    x = 5,160.85

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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.