Home / 4,821.80-6,652.40-2,932.79

Finding the Fourth Proportional to 4,821.80, 6,652.40 and 2,932.79

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Solution

The fourth proportional to 4,821.80, 6,652.40 and 2,932.79 is: 4,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.80 : 6,652.40 = 2,932.79 : x
  2. Step 2: Convert to fraction form
    4,821.80/6,652.40 = 2,932.79/x
  3. Step 3: Cross multiply
    4,821.80x = 6,652.40 × 2,932.79
  4. Step 4: Simplify right side
    4,821.80x = 19,510,044.27
  5. Step 5: Solve for x
    x = 19,510,044.27/4,821.80
  6. Step 6: Final answer
    x = 4,046.22

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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.