Home / 5,318.46-7,339.17-3,080.18

Finding the Fourth Proportional to 5,318.46, 7,339.17 and 3,080.18

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Solution

The fourth proportional to 5,318.46, 7,339.17 and 3,080.18 is: 4,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.46 : 7,339.17 = 3,080.18 : x
  2. Step 2: Convert to fraction form
    5,318.46/7,339.17 = 3,080.18/x
  3. Step 3: Cross multiply
    5,318.46x = 7,339.17 × 3,080.18
  4. Step 4: Simplify right side
    5,318.46x = 22,605,927.95
  5. Step 5: Solve for x
    x = 22,605,927.95/5,318.46
  6. Step 6: Final answer
    x = 4,250.46

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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.