Home / 5,318.61-7,341.29-3,081.03

Finding the Fourth Proportional to 5,318.61, 7,341.29 and 3,081.03

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Solution

The fourth proportional to 5,318.61, 7,341.29 and 3,081.03 is: 4,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.61 : 7,341.29 = 3,081.03 : x
  2. Step 2: Convert to fraction form
    5,318.61/7,341.29 = 3,081.03/x
  3. Step 3: Cross multiply
    5,318.61x = 7,341.29 × 3,081.03
  4. Step 4: Simplify right side
    5,318.61x = 22,618,734.73
  5. Step 5: Solve for x
    x = 22,618,734.73/5,318.61
  6. Step 6: Final answer
    x = 4,252.75

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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.