Home / 5,909.04-8,149.05-3,670.13

Finding the Fourth Proportional to 5,909.04, 8,149.05 and 3,670.13

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Solution

The fourth proportional to 5,909.04, 8,149.05 and 3,670.13 is: 5,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.04 : 8,149.05 = 3,670.13 : x
  2. Step 2: Convert to fraction form
    5,909.04/8,149.05 = 3,670.13/x
  3. Step 3: Cross multiply
    5,909.04x = 8,149.05 × 3,670.13
  4. Step 4: Simplify right side
    5,909.04x = 29,908,032.13
  5. Step 5: Solve for x
    x = 29,908,032.13/5,909.04
  6. Step 6: Final answer
    x = 5,061.40

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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.