Home / 7,531.07-11,281.19-3,522.69

Finding the Fourth Proportional to 7,531.07, 11,281.19 and 3,522.69

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Solution

The fourth proportional to 7,531.07, 11,281.19 and 3,522.69 is: 5,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.07 : 11,281.19 = 3,522.69 : x
  2. Step 2: Convert to fraction form
    7,531.07/11,281.19 = 3,522.69/x
  3. Step 3: Cross multiply
    7,531.07x = 11,281.19 × 3,522.69
  4. Step 4: Simplify right side
    7,531.07x = 39,740,117.59
  5. Step 5: Solve for x
    x = 39,740,117.59/7,531.07
  6. Step 6: Final answer
    x = 5,276.83

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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.