Home / 5,454.50-7,526.93-3,215.88

Finding the Fourth Proportional to 5,454.50, 7,526.93 and 3,215.88

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Solution

The fourth proportional to 5,454.50, 7,526.93 and 3,215.88 is: 4,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.50 : 7,526.93 = 3,215.88 : x
  2. Step 2: Convert to fraction form
    5,454.50/7,526.93 = 3,215.88/x
  3. Step 3: Cross multiply
    5,454.50x = 7,526.93 × 3,215.88
  4. Step 4: Simplify right side
    5,454.50x = 24,205,687.57
  5. Step 5: Solve for x
    x = 24,205,687.57/5,454.50
  6. Step 6: Final answer
    x = 4,437.75

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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.