Home / 2,193.31-3,290.13-732.46

Finding the Fourth Proportional to 2,193.31, 3,290.13 and 732.46

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Solution

The fourth proportional to 2,193.31, 3,290.13 and 732.46 is: 1,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.31 : 3,290.13 = 732.46 : x
  2. Step 2: Convert to fraction form
    2,193.31/3,290.13 = 732.46/x
  3. Step 3: Cross multiply
    2,193.31x = 3,290.13 × 732.46
  4. Step 4: Simplify right side
    2,193.31x = 2,409,888.62
  5. Step 5: Solve for x
    x = 2,409,888.62/2,193.31
  6. Step 6: Final answer
    x = 1,098.75

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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.