Home / 2,038.97-2,813.54-1,154.55

Finding the Fourth Proportional to 2,038.97, 2,813.54 and 1,154.55

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Solution

The fourth proportional to 2,038.97, 2,813.54 and 1,154.55 is: 1,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.97 : 2,813.54 = 1,154.55 : x
  2. Step 2: Convert to fraction form
    2,038.97/2,813.54 = 1,154.55/x
  3. Step 3: Cross multiply
    2,038.97x = 2,813.54 × 1,154.55
  4. Step 4: Simplify right side
    2,038.97x = 3,248,377.39
  5. Step 5: Solve for x
    x = 3,248,377.39/2,038.97
  6. Step 6: Final answer
    x = 1,593.14

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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.