Home / 1,922.24-2,652.10-1,175.42

Finding the Fourth Proportional to 1,922.24, 2,652.10 and 1,175.42

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Solution

The fourth proportional to 1,922.24, 2,652.10 and 1,175.42 is: 1,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.24 : 2,652.10 = 1,175.42 : x
  2. Step 2: Convert to fraction form
    1,922.24/2,652.10 = 1,175.42/x
  3. Step 3: Cross multiply
    1,922.24x = 2,652.10 × 1,175.42
  4. Step 4: Simplify right side
    1,922.24x = 3,117,330.92
  5. Step 5: Solve for x
    x = 3,117,330.92/1,922.24
  6. Step 6: Final answer
    x = 1,621.72

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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.