Home / 3,462.15-4,778.31-2,201.89

Finding the Fourth Proportional to 3,462.15, 4,778.31 and 2,201.89

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Solution

The fourth proportional to 3,462.15, 4,778.31 and 2,201.89 is: 3,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.15 : 4,778.31 = 2,201.89 : x
  2. Step 2: Convert to fraction form
    3,462.15/4,778.31 = 2,201.89/x
  3. Step 3: Cross multiply
    3,462.15x = 4,778.31 × 2,201.89
  4. Step 4: Simplify right side
    3,462.15x = 10,521,313.01
  5. Step 5: Solve for x
    x = 10,521,313.01/3,462.15
  6. Step 6: Final answer
    x = 3,038.95

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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.