Home / 5,416.28-7,471.03-4,155.42

Finding the Fourth Proportional to 5,416.28, 7,471.03 and 4,155.42

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Solution

The fourth proportional to 5,416.28, 7,471.03 and 4,155.42 is: 5,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.28 : 7,471.03 = 4,155.42 : x
  2. Step 2: Convert to fraction form
    5,416.28/7,471.03 = 4,155.42/x
  3. Step 3: Cross multiply
    5,416.28x = 7,471.03 × 4,155.42
  4. Step 4: Simplify right side
    5,416.28x = 31,045,267.48
  5. Step 5: Solve for x
    x = 31,045,267.48/5,416.28
  6. Step 6: Final answer
    x = 5,731.84

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Double scale
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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.