Home / 2,356.11-3,535.19-1,123.53

Finding the Fourth Proportional to 2,356.11, 3,535.19 and 1,123.53

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Solution

The fourth proportional to 2,356.11, 3,535.19 and 1,123.53 is: 1,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.11 : 3,535.19 = 1,123.53 : x
  2. Step 2: Convert to fraction form
    2,356.11/3,535.19 = 1,123.53/x
  3. Step 3: Cross multiply
    2,356.11x = 3,535.19 × 1,123.53
  4. Step 4: Simplify right side
    2,356.11x = 3,971,886.40
  5. Step 5: Solve for x
    x = 3,971,886.40/2,356.11
  6. Step 6: Final answer
    x = 1,685.78

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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.