Home / 5,920.32-8,875.20-2,997.12

Finding the Fourth Proportional to 5,920.32, 8,875.20 and 2,997.12

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Solution

The fourth proportional to 5,920.32, 8,875.20 and 2,997.12 is: 4,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.32 : 8,875.20 = 2,997.12 : x
  2. Step 2: Convert to fraction form
    5,920.32/8,875.20 = 2,997.12/x
  3. Step 3: Cross multiply
    5,920.32x = 8,875.20 × 2,997.12
  4. Step 4: Simplify right side
    5,920.32x = 26,600,039.42
  5. Step 5: Solve for x
    x = 26,600,039.42/5,920.32
  6. Step 6: Final answer
    x = 4,493.01

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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.