Home / 1,950.17-2,691.20-1,193.69

Finding the Fourth Proportional to 1,950.17, 2,691.20 and 1,193.69

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Solution

The fourth proportional to 1,950.17, 2,691.20 and 1,193.69 is: 1,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.17 : 2,691.20 = 1,193.69 : x
  2. Step 2: Convert to fraction form
    1,950.17/2,691.20 = 1,193.69/x
  3. Step 3: Cross multiply
    1,950.17x = 2,691.20 × 1,193.69
  4. Step 4: Simplify right side
    1,950.17x = 3,212,468.24
  5. Step 5: Solve for x
    x = 3,212,468.24/1,950.17
  6. Step 6: Final answer
    x = 1,647.28

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1.5x scale

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.