Home / 6,151.28-8,484.12-3,792.56

Finding the Fourth Proportional to 6,151.28, 8,484.12 and 3,792.56

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Solution

The fourth proportional to 6,151.28, 8,484.12 and 3,792.56 is: 5,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.28 : 8,484.12 = 3,792.56 : x
  2. Step 2: Convert to fraction form
    6,151.28/8,484.12 = 3,792.56/x
  3. Step 3: Cross multiply
    6,151.28x = 8,484.12 × 3,792.56
  4. Step 4: Simplify right side
    6,151.28x = 32,176,534.15
  5. Step 5: Solve for x
    x = 32,176,534.15/6,151.28
  6. Step 6: Final answer
    x = 5,230.87

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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.