Home / 1,902.33-2,854.15-1,358.75

Finding the Fourth Proportional to 1,902.33, 2,854.15 and 1,358.75

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Solution

The fourth proportional to 1,902.33, 2,854.15 and 1,358.75 is: 2,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.33 : 2,854.15 = 1,358.75 : x
  2. Step 2: Convert to fraction form
    1,902.33/2,854.15 = 1,358.75/x
  3. Step 3: Cross multiply
    1,902.33x = 2,854.15 × 1,358.75
  4. Step 4: Simplify right side
    1,902.33x = 3,878,080.05
  5. Step 5: Solve for x
    x = 3,878,080.05/1,902.33
  6. Step 6: Final answer
    x = 2,038.59

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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.