Home / 4,909.90-6,778.17-3,324.93

Finding the Fourth Proportional to 4,909.90, 6,778.17 and 3,324.93

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Solution

The fourth proportional to 4,909.90, 6,778.17 and 3,324.93 is: 4,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.90 : 6,778.17 = 3,324.93 : x
  2. Step 2: Convert to fraction form
    4,909.90/6,778.17 = 3,324.93/x
  3. Step 3: Cross multiply
    4,909.90x = 6,778.17 × 3,324.93
  4. Step 4: Simplify right side
    4,909.90x = 22,536,940.78
  5. Step 5: Solve for x
    x = 22,536,940.78/4,909.90
  6. Step 6: Final answer
    x = 4,590.10

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1.5x scale

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.