Home / 3,708.08-5,116.92-2,215.52

Finding the Fourth Proportional to 3,708.08, 5,116.92 and 2,215.52

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Solution

The fourth proportional to 3,708.08, 5,116.92 and 2,215.52 is: 3,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.08 : 5,116.92 = 2,215.52 : x
  2. Step 2: Convert to fraction form
    3,708.08/5,116.92 = 2,215.52/x
  3. Step 3: Cross multiply
    3,708.08x = 5,116.92 × 2,215.52
  4. Step 4: Simplify right side
    3,708.08x = 11,336,638.60
  5. Step 5: Solve for x
    x = 11,336,638.60/3,708.08
  6. Step 6: Final answer
    x = 3,057.28

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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.