Home / 3,790.38-5,233.32-2,374.68

Finding the Fourth Proportional to 3,790.38, 5,233.32 and 2,374.68

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Solution

The fourth proportional to 3,790.38, 5,233.32 and 2,374.68 is: 3,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.38 : 5,233.32 = 2,374.68 : x
  2. Step 2: Convert to fraction form
    3,790.38/5,233.32 = 2,374.68/x
  3. Step 3: Cross multiply
    3,790.38x = 5,233.32 × 2,374.68
  4. Step 4: Simplify right side
    3,790.38x = 12,427,460.34
  5. Step 5: Solve for x
    x = 12,427,460.34/3,790.38
  6. Step 6: Final answer
    x = 3,278.68

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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.