Home / 5,491.22-7,575.26-5,279.04

Finding the Fourth Proportional to 5,491.22, 7,575.26 and 5,279.04

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Solution

The fourth proportional to 5,491.22, 7,575.26 and 5,279.04 is: 7,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.22 : 7,575.26 = 5,279.04 : x
  2. Step 2: Convert to fraction form
    5,491.22/7,575.26 = 5,279.04/x
  3. Step 3: Cross multiply
    5,491.22x = 7,575.26 × 5,279.04
  4. Step 4: Simplify right side
    5,491.22x = 39,990,074.16
  5. Step 5: Solve for x
    x = 39,990,074.16/5,491.22
  6. Step 6: Final answer
    x = 7,282.55

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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.