Home / 8,590.31-12,887.96-3,595.04

Finding the Fourth Proportional to 8,590.31, 12,887.96 and 3,595.04

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Solution

The fourth proportional to 8,590.31, 12,887.96 and 3,595.04 is: 5,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.31 : 12,887.96 = 3,595.04 : x
  2. Step 2: Convert to fraction form
    8,590.31/12,887.96 = 3,595.04/x
  3. Step 3: Cross multiply
    8,590.31x = 12,887.96 × 3,595.04
  4. Step 4: Simplify right side
    8,590.31x = 46,332,649.30
  5. Step 5: Solve for x
    x = 46,332,649.30/8,590.31
  6. Step 6: Final answer
    x = 5,393.60

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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.