Home / 5,379.76-7,425.48-3,022.66

Finding the Fourth Proportional to 5,379.76, 7,425.48 and 3,022.66

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Solution

The fourth proportional to 5,379.76, 7,425.48 and 3,022.66 is: 4,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.76 : 7,425.48 = 3,022.66 : x
  2. Step 2: Convert to fraction form
    5,379.76/7,425.48 = 3,022.66/x
  3. Step 3: Cross multiply
    5,379.76x = 7,425.48 × 3,022.66
  4. Step 4: Simplify right side
    5,379.76x = 22,444,701.38
  5. Step 5: Solve for x
    x = 22,444,701.38/5,379.76
  6. Step 6: Final answer
    x = 4,172.06

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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.