Home / 4,157.68-6,240.17-3,508.87

Finding the Fourth Proportional to 4,157.68, 6,240.17 and 3,508.87

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Solution

The fourth proportional to 4,157.68, 6,240.17 and 3,508.87 is: 5,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.68 : 6,240.17 = 3,508.87 : x
  2. Step 2: Convert to fraction form
    4,157.68/6,240.17 = 3,508.87/x
  3. Step 3: Cross multiply
    4,157.68x = 6,240.17 × 3,508.87
  4. Step 4: Simplify right side
    4,157.68x = 21,895,945.31
  5. Step 5: Solve for x
    x = 21,895,945.31/4,157.68
  6. Step 6: Final answer
    x = 5,266.39

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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.