Home / 4,187.52-5,776.20-2,615.31

Finding the Fourth Proportional to 4,187.52, 5,776.20 and 2,615.31

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Solution

The fourth proportional to 4,187.52, 5,776.20 and 2,615.31 is: 3,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.52 : 5,776.20 = 2,615.31 : x
  2. Step 2: Convert to fraction form
    4,187.52/5,776.20 = 2,615.31/x
  3. Step 3: Cross multiply
    4,187.52x = 5,776.20 × 2,615.31
  4. Step 4: Simplify right side
    4,187.52x = 15,106,553.62
  5. Step 5: Solve for x
    x = 15,106,553.62/4,187.52
  6. Step 6: Final answer
    x = 3,607.52

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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.