Home / 7,554.53-11,327.90-3,390.97

Finding the Fourth Proportional to 7,554.53, 11,327.90 and 3,390.97

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Solution

The fourth proportional to 7,554.53, 11,327.90 and 3,390.97 is: 5,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.53 : 11,327.90 = 3,390.97 : x
  2. Step 2: Convert to fraction form
    7,554.53/11,327.90 = 3,390.97/x
  3. Step 3: Cross multiply
    7,554.53x = 11,327.90 × 3,390.97
  4. Step 4: Simplify right side
    7,554.53x = 38,412,503.95
  5. Step 5: Solve for x
    x = 38,412,503.95/7,554.53
  6. Step 6: Final answer
    x = 5,084.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.