Home / 7,590.13-11,385.19-2,118.13

Finding the Fourth Proportional to 7,590.13, 11,385.19 and 2,118.13

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Solution

The fourth proportional to 7,590.13, 11,385.19 and 2,118.13 is: 3,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.13 : 11,385.19 = 2,118.13 : x
  2. Step 2: Convert to fraction form
    7,590.13/11,385.19 = 2,118.13/x
  3. Step 3: Cross multiply
    7,590.13x = 11,385.19 × 2,118.13
  4. Step 4: Simplify right side
    7,590.13x = 24,115,312.49
  5. Step 5: Solve for x
    x = 24,115,312.49/7,590.13
  6. Step 6: Final answer
    x = 3,177.19

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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.