Home / 3,876.96-5,348.44-2,304.16

Finding the Fourth Proportional to 3,876.96, 5,348.44 and 2,304.16

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Solution

The fourth proportional to 3,876.96, 5,348.44 and 2,304.16 is: 3,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.96 : 5,348.44 = 2,304.16 : x
  2. Step 2: Convert to fraction form
    3,876.96/5,348.44 = 2,304.16/x
  3. Step 3: Cross multiply
    3,876.96x = 5,348.44 × 2,304.16
  4. Step 4: Simplify right side
    3,876.96x = 12,323,661.51
  5. Step 5: Solve for x
    x = 12,323,661.51/3,876.96
  6. Step 6: Final answer
    x = 3,178.69

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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.