Home / 5,615.08-7,751.22-3,625.72

Finding the Fourth Proportional to 5,615.08, 7,751.22 and 3,625.72

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Solution

The fourth proportional to 5,615.08, 7,751.22 and 3,625.72 is: 5,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.08 : 7,751.22 = 3,625.72 : x
  2. Step 2: Convert to fraction form
    5,615.08/7,751.22 = 3,625.72/x
  3. Step 3: Cross multiply
    5,615.08x = 7,751.22 × 3,625.72
  4. Step 4: Simplify right side
    5,615.08x = 28,103,753.38
  5. Step 5: Solve for x
    x = 28,103,753.38/5,615.08
  6. Step 6: Final answer
    x = 5,005.05

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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.