Home / 5,166.12-7,129.62-3,041.76

Finding the Fourth Proportional to 5,166.12, 7,129.62 and 3,041.76

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Solution

The fourth proportional to 5,166.12, 7,129.62 and 3,041.76 is: 4,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.12 : 7,129.62 = 3,041.76 : x
  2. Step 2: Convert to fraction form
    5,166.12/7,129.62 = 3,041.76/x
  3. Step 3: Cross multiply
    5,166.12x = 7,129.62 × 3,041.76
  4. Step 4: Simplify right side
    5,166.12x = 21,686,592.93
  5. Step 5: Solve for x
    x = 21,686,592.93/5,166.12
  6. Step 6: Final answer
    x = 4,197.85

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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.