Home / 1,593.30-2,197.80-1,002.78

Finding the Fourth Proportional to 1,593.30, 2,197.80 and 1,002.78

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Solution

The fourth proportional to 1,593.30, 2,197.80 and 1,002.78 is: 1,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.30 : 2,197.80 = 1,002.78 : x
  2. Step 2: Convert to fraction form
    1,593.30/2,197.80 = 1,002.78/x
  3. Step 3: Cross multiply
    1,593.30x = 2,197.80 × 1,002.78
  4. Step 4: Simplify right side
    1,593.30x = 2,203,909.88
  5. Step 5: Solve for x
    x = 2,203,909.88/1,593.30
  6. Step 6: Final answer
    x = 1,383.24

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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.