Home / 6,125.42-9,171.72-5,042.90

Finding the Fourth Proportional to 6,125.42, 9,171.72 and 5,042.90

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Solution

The fourth proportional to 6,125.42, 9,171.72 and 5,042.90 is: 7,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.42 : 9,171.72 = 5,042.90 : x
  2. Step 2: Convert to fraction form
    6,125.42/9,171.72 = 5,042.90/x
  3. Step 3: Cross multiply
    6,125.42x = 9,171.72 × 5,042.90
  4. Step 4: Simplify right side
    6,125.42x = 46,252,066.79
  5. Step 5: Solve for x
    x = 46,252,066.79/6,125.42
  6. Step 6: Final answer
    x = 7,550.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.