Home / 5,489.17-7,574.88-3,251.06

Finding the Fourth Proportional to 5,489.17, 7,574.88 and 3,251.06

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Solution

The fourth proportional to 5,489.17, 7,574.88 and 3,251.06 is: 4,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.17 : 7,574.88 = 3,251.06 : x
  2. Step 2: Convert to fraction form
    5,489.17/7,574.88 = 3,251.06/x
  3. Step 3: Cross multiply
    5,489.17x = 7,574.88 × 3,251.06
  4. Step 4: Simplify right side
    5,489.17x = 24,626,416.42
  5. Step 5: Solve for x
    x = 24,626,416.42/5,489.17
  6. Step 6: Final answer
    x = 4,486.37

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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.