Home / 4,143.52-5,717.46-2,280.52

Finding the Fourth Proportional to 4,143.52, 5,717.46 and 2,280.52

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Solution

The fourth proportional to 4,143.52, 5,717.46 and 2,280.52 is: 3,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.52 : 5,717.46 = 2,280.52 : x
  2. Step 2: Convert to fraction form
    4,143.52/5,717.46 = 2,280.52/x
  3. Step 3: Cross multiply
    4,143.52x = 5,717.46 × 2,280.52
  4. Step 4: Simplify right side
    4,143.52x = 13,038,781.88
  5. Step 5: Solve for x
    x = 13,038,781.88/4,143.52
  6. Step 6: Final answer
    x = 3,146.79

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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.