Home / 3,848.92-5,772.16-2,972.44

Finding the Fourth Proportional to 3,848.92, 5,772.16 and 2,972.44

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Solution

The fourth proportional to 3,848.92, 5,772.16 and 2,972.44 is: 4,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.92 : 5,772.16 = 2,972.44 : x
  2. Step 2: Convert to fraction form
    3,848.92/5,772.16 = 2,972.44/x
  3. Step 3: Cross multiply
    3,848.92x = 5,772.16 × 2,972.44
  4. Step 4: Simplify right side
    3,848.92x = 17,157,399.27
  5. Step 5: Solve for x
    x = 17,157,399.27/3,848.92
  6. Step 6: Final answer
    x = 4,457.72

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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.