Home / 7,132.87-10,700.36-2,454.09

Finding the Fourth Proportional to 7,132.87, 10,700.36 and 2,454.09

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Solution

The fourth proportional to 7,132.87, 10,700.36 and 2,454.09 is: 3,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.87 : 10,700.36 = 2,454.09 : x
  2. Step 2: Convert to fraction form
    7,132.87/10,700.36 = 2,454.09/x
  3. Step 3: Cross multiply
    7,132.87x = 10,700.36 × 2,454.09
  4. Step 4: Simplify right side
    7,132.87x = 26,259,646.47
  5. Step 5: Solve for x
    x = 26,259,646.47/7,132.87
  6. Step 6: Final answer
    x = 3,681.50

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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.