Home / 5,473.80-7,553.91-3,115.95

Finding the Fourth Proportional to 5,473.80, 7,553.91 and 3,115.95

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Solution

The fourth proportional to 5,473.80, 7,553.91 and 3,115.95 is: 4,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.80 : 7,553.91 = 3,115.95 : x
  2. Step 2: Convert to fraction form
    5,473.80/7,553.91 = 3,115.95/x
  3. Step 3: Cross multiply
    5,473.80x = 7,553.91 × 3,115.95
  4. Step 4: Simplify right side
    5,473.80x = 23,537,605.86
  5. Step 5: Solve for x
    x = 23,537,605.86/5,473.80
  6. Step 6: Final answer
    x = 4,300.05

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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.