Home / 5,254.83-7,248.56-3,689.91

Finding the Fourth Proportional to 5,254.83, 7,248.56 and 3,689.91

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Solution

The fourth proportional to 5,254.83, 7,248.56 and 3,689.91 is: 5,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.83 : 7,248.56 = 3,689.91 : x
  2. Step 2: Convert to fraction form
    5,254.83/7,248.56 = 3,689.91/x
  3. Step 3: Cross multiply
    5,254.83x = 7,248.56 × 3,689.91
  4. Step 4: Simplify right side
    5,254.83x = 26,746,515.58
  5. Step 5: Solve for x
    x = 26,746,515.58/5,254.83
  6. Step 6: Final answer
    x = 5,089.89

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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.