Home / 3,442.38-4,750.10-1,949.98

Finding the Fourth Proportional to 3,442.38, 4,750.10 and 1,949.98

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Solution

The fourth proportional to 3,442.38, 4,750.10 and 1,949.98 is: 2,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.38 : 4,750.10 = 1,949.98 : x
  2. Step 2: Convert to fraction form
    3,442.38/4,750.10 = 1,949.98/x
  3. Step 3: Cross multiply
    3,442.38x = 4,750.10 × 1,949.98
  4. Step 4: Simplify right side
    3,442.38x = 9,262,600.08
  5. Step 5: Solve for x
    x = 9,262,600.08/3,442.38
  6. Step 6: Final answer
    x = 2,690.75

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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.