Home / 3,708.20-5,108.54-2,587.16

Finding the Fourth Proportional to 3,708.20, 5,108.54 and 2,587.16

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Solution

The fourth proportional to 3,708.20, 5,108.54 and 2,587.16 is: 3,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.20 : 5,108.54 = 2,587.16 : x
  2. Step 2: Convert to fraction form
    3,708.20/5,108.54 = 2,587.16/x
  3. Step 3: Cross multiply
    3,708.20x = 5,108.54 × 2,587.16
  4. Step 4: Simplify right side
    3,708.20x = 13,216,610.18
  5. Step 5: Solve for x
    x = 13,216,610.18/3,708.20
  6. Step 6: Final answer
    x = 3,564.16

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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.