Home / 2,265.18-3,398.31-966.75

Finding the Fourth Proportional to 2,265.18, 3,398.31 and 966.75

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Solution

The fourth proportional to 2,265.18, 3,398.31 and 966.75 is: 1,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.18 : 3,398.31 = 966.75 : x
  2. Step 2: Convert to fraction form
    2,265.18/3,398.31 = 966.75/x
  3. Step 3: Cross multiply
    2,265.18x = 3,398.31 × 966.75
  4. Step 4: Simplify right side
    2,265.18x = 3,285,316.19
  5. Step 5: Solve for x
    x = 3,285,316.19/2,265.18
  6. Step 6: Final answer
    x = 1,450.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.