Home / 4,445.12-6,133.20-2,872.92

Finding the Fourth Proportional to 4,445.12, 6,133.20 and 2,872.92

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Solution

The fourth proportional to 4,445.12, 6,133.20 and 2,872.92 is: 3,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.12 : 6,133.20 = 2,872.92 : x
  2. Step 2: Convert to fraction form
    4,445.12/6,133.20 = 2,872.92/x
  3. Step 3: Cross multiply
    4,445.12x = 6,133.20 × 2,872.92
  4. Step 4: Simplify right side
    4,445.12x = 17,620,192.94
  5. Step 5: Solve for x
    x = 17,620,192.94/4,445.12
  6. Step 6: Final answer
    x = 3,963.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.