Home / 1,124.28-1,694.03-933.53

Finding the Fourth Proportional to 1,124.28, 1,694.03 and 933.53

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Solution

The fourth proportional to 1,124.28, 1,694.03 and 933.53 is: 1,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.28 : 1,694.03 = 933.53 : x
  2. Step 2: Convert to fraction form
    1,124.28/1,694.03 = 933.53/x
  3. Step 3: Cross multiply
    1,124.28x = 1,694.03 × 933.53
  4. Step 4: Simplify right side
    1,124.28x = 1,581,414.69
  5. Step 5: Solve for x
    x = 1,581,414.69/1,124.28
  6. Step 6: Final answer
    x = 1,406.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.