Home / 3,925.52-5,417.18-2,132.96

Finding the Fourth Proportional to 3,925.52, 5,417.18 and 2,132.96

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Solution

The fourth proportional to 3,925.52, 5,417.18 and 2,132.96 is: 2,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.52 : 5,417.18 = 2,132.96 : x
  2. Step 2: Convert to fraction form
    3,925.52/5,417.18 = 2,132.96/x
  3. Step 3: Cross multiply
    3,925.52x = 5,417.18 × 2,132.96
  4. Step 4: Simplify right side
    3,925.52x = 11,554,590.50
  5. Step 5: Solve for x
    x = 11,554,590.50/3,925.52
  6. Step 6: Final answer
    x = 2,943.46

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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.