Home / 7,331.40-10,997.91-2,400.12

Finding the Fourth Proportional to 7,331.40, 10,997.91 and 2,400.12

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Solution

The fourth proportional to 7,331.40, 10,997.91 and 2,400.12 is: 3,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.40 : 10,997.91 = 2,400.12 : x
  2. Step 2: Convert to fraction form
    7,331.40/10,997.91 = 2,400.12/x
  3. Step 3: Cross multiply
    7,331.40x = 10,997.91 × 2,400.12
  4. Step 4: Simplify right side
    7,331.40x = 26,396,303.75
  5. Step 5: Solve for x
    x = 26,396,303.75/7,331.40
  6. Step 6: Final answer
    x = 3,600.45

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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.