Home / 6,590.10-9,887.46-4,122

Finding the Fourth Proportional to 6,590.10, 9,887.46 and 4,122

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Solution

The fourth proportional to 6,590.10, 9,887.46 and 4,122 is: 6,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.10 : 9,887.46 = 4,122 : x
  2. Step 2: Convert to fraction form
    6,590.10/9,887.46 = 4,122/x
  3. Step 3: Cross multiply
    6,590.10x = 9,887.46 × 4,122
  4. Step 4: Simplify right side
    6,590.10x = 40,756,110.12
  5. Step 5: Solve for x
    x = 40,756,110.12/6,590.10
  6. Step 6: Final answer
    x = 6,184.44

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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.