Home / 7,520.97-10,379.87-4,291.59

Finding the Fourth Proportional to 7,520.97, 10,379.87 and 4,291.59

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Solution

The fourth proportional to 7,520.97, 10,379.87 and 4,291.59 is: 5,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.97 : 10,379.87 = 4,291.59 : x
  2. Step 2: Convert to fraction form
    7,520.97/10,379.87 = 4,291.59/x
  3. Step 3: Cross multiply
    7,520.97x = 10,379.87 × 4,291.59
  4. Step 4: Simplify right side
    7,520.97x = 44,546,146.29
  5. Step 5: Solve for x
    x = 44,546,146.29/7,520.97
  6. Step 6: Final answer
    x = 5,922.93

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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.