Home / 1,925.44-2,658.53-1,180.42

Finding the Fourth Proportional to 1,925.44, 2,658.53 and 1,180.42

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Solution

The fourth proportional to 1,925.44, 2,658.53 and 1,180.42 is: 1,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.44 : 2,658.53 = 1,180.42 : x
  2. Step 2: Convert to fraction form
    1,925.44/2,658.53 = 1,180.42/x
  3. Step 3: Cross multiply
    1,925.44x = 2,658.53 × 1,180.42
  4. Step 4: Simplify right side
    1,925.44x = 3,138,178.29
  5. Step 5: Solve for x
    x = 3,138,178.29/1,925.44
  6. Step 6: Final answer
    x = 1,629.85

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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.