Home / 7,149.15-10,724.58-2,707.52

Finding the Fourth Proportional to 7,149.15, 10,724.58 and 2,707.52

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Solution

The fourth proportional to 7,149.15, 10,724.58 and 2,707.52 is: 4,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.15 : 10,724.58 = 2,707.52 : x
  2. Step 2: Convert to fraction form
    7,149.15/10,724.58 = 2,707.52/x
  3. Step 3: Cross multiply
    7,149.15x = 10,724.58 × 2,707.52
  4. Step 4: Simplify right side
    7,149.15x = 29,036,961.22
  5. Step 5: Solve for x
    x = 29,036,961.22/7,149.15
  6. Step 6: Final answer
    x = 4,061.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.