Home / 5,880.66-8,116.67-3,781.14

Finding the Fourth Proportional to 5,880.66, 8,116.67 and 3,781.14

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Solution

The fourth proportional to 5,880.66, 8,116.67 and 3,781.14 is: 5,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.66 : 8,116.67 = 3,781.14 : x
  2. Step 2: Convert to fraction form
    5,880.66/8,116.67 = 3,781.14/x
  3. Step 3: Cross multiply
    5,880.66x = 8,116.67 × 3,781.14
  4. Step 4: Simplify right side
    5,880.66x = 30,690,246.70
  5. Step 5: Solve for x
    x = 30,690,246.70/5,880.66
  6. Step 6: Final answer
    x = 5,218.84

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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.