Home / 5,125.75-7,070.76-3,631.16

Finding the Fourth Proportional to 5,125.75, 7,070.76 and 3,631.16

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Solution

The fourth proportional to 5,125.75, 7,070.76 and 3,631.16 is: 5,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.75 : 7,070.76 = 3,631.16 : x
  2. Step 2: Convert to fraction form
    5,125.75/7,070.76 = 3,631.16/x
  3. Step 3: Cross multiply
    5,125.75x = 7,070.76 × 3,631.16
  4. Step 4: Simplify right side
    5,125.75x = 25,675,078.56
  5. Step 5: Solve for x
    x = 25,675,078.56/5,125.75
  6. Step 6: Final answer
    x = 5,009.04

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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.