Home / 7,331.15-10,998.40-2,400.68

Finding the Fourth Proportional to 7,331.15, 10,998.40 and 2,400.68

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Solution

The fourth proportional to 7,331.15, 10,998.40 and 2,400.68 is: 3,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.15 : 10,998.40 = 2,400.68 : x
  2. Step 2: Convert to fraction form
    7,331.15/10,998.40 = 2,400.68/x
  3. Step 3: Cross multiply
    7,331.15x = 10,998.40 × 2,400.68
  4. Step 4: Simplify right side
    7,331.15x = 26,403,660.41
  5. Step 5: Solve for x
    x = 26,403,660.41/7,331.15
  6. Step 6: Final answer
    x = 3,601.57

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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.