Home / 4,084.66-5,639.88-3,613.06

Finding the Fourth Proportional to 4,084.66, 5,639.88 and 3,613.06

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Solution

The fourth proportional to 4,084.66, 5,639.88 and 3,613.06 is: 4,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.66 : 5,639.88 = 3,613.06 : x
  2. Step 2: Convert to fraction form
    4,084.66/5,639.88 = 3,613.06/x
  3. Step 3: Cross multiply
    4,084.66x = 5,639.88 × 3,613.06
  4. Step 4: Simplify right side
    4,084.66x = 20,377,224.83
  5. Step 5: Solve for x
    x = 20,377,224.83/4,084.66
  6. Step 6: Final answer
    x = 4,988.72

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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.