Home / 4,127.55-5,695.88-2,449.12

Finding the Fourth Proportional to 4,127.55, 5,695.88 and 2,449.12

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Solution

The fourth proportional to 4,127.55, 5,695.88 and 2,449.12 is: 3,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.55 : 5,695.88 = 2,449.12 : x
  2. Step 2: Convert to fraction form
    4,127.55/5,695.88 = 2,449.12/x
  3. Step 3: Cross multiply
    4,127.55x = 5,695.88 × 2,449.12
  4. Step 4: Simplify right side
    4,127.55x = 13,949,893.63
  5. Step 5: Solve for x
    x = 13,949,893.63/4,127.55
  6. Step 6: Final answer
    x = 3,379.70

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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.