Home / 5,079.28-7,618.98-1,792.46

Finding the Fourth Proportional to 5,079.28, 7,618.98 and 1,792.46

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Solution

The fourth proportional to 5,079.28, 7,618.98 and 1,792.46 is: 2,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.28 : 7,618.98 = 1,792.46 : x
  2. Step 2: Convert to fraction form
    5,079.28/7,618.98 = 1,792.46/x
  3. Step 3: Cross multiply
    5,079.28x = 7,618.98 × 1,792.46
  4. Step 4: Simplify right side
    5,079.28x = 13,656,716.89
  5. Step 5: Solve for x
    x = 13,656,716.89/5,079.28
  6. Step 6: Final answer
    x = 2,688.71

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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.