Home / 1,629.46-2,248.67-883.43

Finding the Fourth Proportional to 1,629.46, 2,248.67 and 883.43

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Solution

The fourth proportional to 1,629.46, 2,248.67 and 883.43 is: 1,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.46 : 2,248.67 = 883.43 : x
  2. Step 2: Convert to fraction form
    1,629.46/2,248.67 = 883.43/x
  3. Step 3: Cross multiply
    1,629.46x = 2,248.67 × 883.43
  4. Step 4: Simplify right side
    1,629.46x = 1,986,526.88
  5. Step 5: Solve for x
    x = 1,986,526.88/1,629.46
  6. Step 6: Final answer
    x = 1,219.13

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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.