Home / 1,283.11-1,923.49-461.19

Finding the Fourth Proportional to 1,283.11, 1,923.49 and 461.19

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Solution

The fourth proportional to 1,283.11, 1,923.49 and 461.19 is: 691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.11 : 1,923.49 = 461.19 : x
  2. Step 2: Convert to fraction form
    1,283.11/1,923.49 = 461.19/x
  3. Step 3: Cross multiply
    1,283.11x = 1,923.49 × 461.19
  4. Step 4: Simplify right side
    1,283.11x = 887,092.05
  5. Step 5: Solve for x
    x = 887,092.05/1,283.11
  6. Step 6: Final answer
    x = 691.36

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Double scale
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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.