Home / 7,340.25-10,129.46-3,983.04

Finding the Fourth Proportional to 7,340.25, 10,129.46 and 3,983.04

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Solution

The fourth proportional to 7,340.25, 10,129.46 and 3,983.04 is: 5,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.25 : 10,129.46 = 3,983.04 : x
  2. Step 2: Convert to fraction form
    7,340.25/10,129.46 = 3,983.04/x
  3. Step 3: Cross multiply
    7,340.25x = 10,129.46 × 3,983.04
  4. Step 4: Simplify right side
    7,340.25x = 40,346,024.44
  5. Step 5: Solve for x
    x = 40,346,024.44/7,340.25
  6. Step 6: Final answer
    x = 5,496.54

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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.