Home / 5,772.98-7,966.77-3,120.44

Finding the Fourth Proportional to 5,772.98, 7,966.77 and 3,120.44

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Solution

The fourth proportional to 5,772.98, 7,966.77 and 3,120.44 is: 4,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.98 : 7,966.77 = 3,120.44 : x
  2. Step 2: Convert to fraction form
    5,772.98/7,966.77 = 3,120.44/x
  3. Step 3: Cross multiply
    5,772.98x = 7,966.77 × 3,120.44
  4. Step 4: Simplify right side
    5,772.98x = 24,859,827.78
  5. Step 5: Solve for x
    x = 24,859,827.78/5,772.98
  6. Step 6: Final answer
    x = 4,306.24

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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.