Home / 5,318.58-7,339.32-3,080.29

Finding the Fourth Proportional to 5,318.58, 7,339.32 and 3,080.29

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Solution

The fourth proportional to 5,318.58, 7,339.32 and 3,080.29 is: 4,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.58 : 7,339.32 = 3,080.29 : x
  2. Step 2: Convert to fraction form
    5,318.58/7,339.32 = 3,080.29/x
  3. Step 3: Cross multiply
    5,318.58x = 7,339.32 × 3,080.29
  4. Step 4: Simplify right side
    5,318.58x = 22,607,234.00
  5. Step 5: Solve for x
    x = 22,607,234.00/5,318.58
  6. Step 6: Final answer
    x = 4,250.61

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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.