Home / 3,397.73-4,686.70-2,454.90

Finding the Fourth Proportional to 3,397.73, 4,686.70 and 2,454.90

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Solution

The fourth proportional to 3,397.73, 4,686.70 and 2,454.90 is: 3,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.73 : 4,686.70 = 2,454.90 : x
  2. Step 2: Convert to fraction form
    3,397.73/4,686.70 = 2,454.90/x
  3. Step 3: Cross multiply
    3,397.73x = 4,686.70 × 2,454.90
  4. Step 4: Simplify right side
    3,397.73x = 11,505,379.83
  5. Step 5: Solve for x
    x = 11,505,379.83/3,397.73
  6. Step 6: Final answer
    x = 3,386.20

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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.