Home / 4,157.71-5,737.50-2,478.25

Finding the Fourth Proportional to 4,157.71, 5,737.50 and 2,478.25

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Solution

The fourth proportional to 4,157.71, 5,737.50 and 2,478.25 is: 3,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.71 : 5,737.50 = 2,478.25 : x
  2. Step 2: Convert to fraction form
    4,157.71/5,737.50 = 2,478.25/x
  3. Step 3: Cross multiply
    4,157.71x = 5,737.50 × 2,478.25
  4. Step 4: Simplify right side
    4,157.71x = 14,218,946.98
  5. Step 5: Solve for x
    x = 14,218,946.98/4,157.71
  6. Step 6: Final answer
    x = 3,419.90

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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.