Home / 1,924.44-2,655.54-1,138.38

Finding the Fourth Proportional to 1,924.44, 2,655.54 and 1,138.38

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Solution

The fourth proportional to 1,924.44, 2,655.54 and 1,138.38 is: 1,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.44 : 2,655.54 = 1,138.38 : x
  2. Step 2: Convert to fraction form
    1,924.44/2,655.54 = 1,138.38/x
  3. Step 3: Cross multiply
    1,924.44x = 2,655.54 × 1,138.38
  4. Step 4: Simplify right side
    1,924.44x = 3,023,013.63
  5. Step 5: Solve for x
    x = 3,023,013.63/1,924.44
  6. Step 6: Final answer
    x = 1,570.85

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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.