Home / 3,874.49-5,346.59-2,195.92

Finding the Fourth Proportional to 3,874.49, 5,346.59 and 2,195.92

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Solution

The fourth proportional to 3,874.49, 5,346.59 and 2,195.92 is: 3,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.49 : 5,346.59 = 2,195.92 : x
  2. Step 2: Convert to fraction form
    3,874.49/5,346.59 = 2,195.92/x
  3. Step 3: Cross multiply
    3,874.49x = 5,346.59 × 2,195.92
  4. Step 4: Simplify right side
    3,874.49x = 11,740,683.91
  5. Step 5: Solve for x
    x = 11,740,683.91/3,874.49
  6. Step 6: Final answer
    x = 3,030.25

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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.