Home / 4,822.18-6,654.20-2,778.16

Finding the Fourth Proportional to 4,822.18, 6,654.20 and 2,778.16

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Solution

The fourth proportional to 4,822.18, 6,654.20 and 2,778.16 is: 3,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.18 : 6,654.20 = 2,778.16 : x
  2. Step 2: Convert to fraction form
    4,822.18/6,654.20 = 2,778.16/x
  3. Step 3: Cross multiply
    4,822.18x = 6,654.20 × 2,778.16
  4. Step 4: Simplify right side
    4,822.18x = 18,486,432.27
  5. Step 5: Solve for x
    x = 18,486,432.27/4,822.18
  6. Step 6: Final answer
    x = 3,833.63

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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.