Home / 2,845.52-3,926.82-1,650.74

Finding the Fourth Proportional to 2,845.52, 3,926.82 and 1,650.74

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Solution

The fourth proportional to 2,845.52, 3,926.82 and 1,650.74 is: 2,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.52 : 3,926.82 = 1,650.74 : x
  2. Step 2: Convert to fraction form
    2,845.52/3,926.82 = 1,650.74/x
  3. Step 3: Cross multiply
    2,845.52x = 3,926.82 × 1,650.74
  4. Step 4: Simplify right side
    2,845.52x = 6,482,158.85
  5. Step 5: Solve for x
    x = 6,482,158.85/2,845.52
  6. Step 6: Final answer
    x = 2,278.02

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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.