Home / 7,341.20-10,997.40-4,410.80

Finding the Fourth Proportional to 7,341.20, 10,997.40 and 4,410.80

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Solution

The fourth proportional to 7,341.20, 10,997.40 and 4,410.80 is: 6,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.20 : 10,997.40 = 4,410.80 : x
  2. Step 2: Convert to fraction form
    7,341.20/10,997.40 = 4,410.80/x
  3. Step 3: Cross multiply
    7,341.20x = 10,997.40 × 4,410.80
  4. Step 4: Simplify right side
    7,341.20x = 48,507,331.92
  5. Step 5: Solve for x
    x = 48,507,331.92/7,341.20
  6. Step 6: Final answer
    x = 6,607.55

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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.