Home / 5,551.74-7,658.28-3,426.30

Finding the Fourth Proportional to 5,551.74, 7,658.28 and 3,426.30

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Solution

The fourth proportional to 5,551.74, 7,658.28 and 3,426.30 is: 4,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.74 : 7,658.28 = 3,426.30 : x
  2. Step 2: Convert to fraction form
    5,551.74/7,658.28 = 3,426.30/x
  3. Step 3: Cross multiply
    5,551.74x = 7,658.28 × 3,426.30
  4. Step 4: Simplify right side
    5,551.74x = 26,239,564.76
  5. Step 5: Solve for x
    x = 26,239,564.76/5,551.74
  6. Step 6: Final answer
    x = 4,726.37

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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.