Home / 7,590.31-11,385.72-2,663.38

Finding the Fourth Proportional to 7,590.31, 11,385.72 and 2,663.38

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Solution

The fourth proportional to 7,590.31, 11,385.72 and 2,663.38 is: 3,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.31 : 11,385.72 = 2,663.38 : x
  2. Step 2: Convert to fraction form
    7,590.31/11,385.72 = 2,663.38/x
  3. Step 3: Cross multiply
    7,590.31x = 11,385.72 × 2,663.38
  4. Step 4: Simplify right side
    7,590.31x = 30,324,498.93
  5. Step 5: Solve for x
    x = 30,324,498.93/7,590.31
  6. Step 6: Final answer
    x = 3,995.16

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1.5x scale

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.