Home / 5,471.74-7,552.35-3,115.24

Finding the Fourth Proportional to 5,471.74, 7,552.35 and 3,115.24

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Solution

The fourth proportional to 5,471.74, 7,552.35 and 3,115.24 is: 4,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.74 : 7,552.35 = 3,115.24 : x
  2. Step 2: Convert to fraction form
    5,471.74/7,552.35 = 3,115.24/x
  3. Step 3: Cross multiply
    5,471.74x = 7,552.35 × 3,115.24
  4. Step 4: Simplify right side
    5,471.74x = 23,527,382.81
  5. Step 5: Solve for x
    x = 23,527,382.81/5,471.74
  6. Step 6: Final answer
    x = 4,299.80

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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.