Home / 4,157.55-5,737.30-2,389.12

Finding the Fourth Proportional to 4,157.55, 5,737.30 and 2,389.12

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Solution

The fourth proportional to 4,157.55, 5,737.30 and 2,389.12 is: 3,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.55 : 5,737.30 = 2,389.12 : x
  2. Step 2: Convert to fraction form
    4,157.55/5,737.30 = 2,389.12/x
  3. Step 3: Cross multiply
    4,157.55x = 5,737.30 × 2,389.12
  4. Step 4: Simplify right side
    4,157.55x = 13,707,077.86
  5. Step 5: Solve for x
    x = 13,707,077.86/4,157.55
  6. Step 6: Final answer
    x = 3,296.91

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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.