Home / 4,168.27-5,750.62-2,990.53

Finding the Fourth Proportional to 4,168.27, 5,750.62 and 2,990.53

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Solution

The fourth proportional to 4,168.27, 5,750.62 and 2,990.53 is: 4,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.27 : 5,750.62 = 2,990.53 : x
  2. Step 2: Convert to fraction form
    4,168.27/5,750.62 = 2,990.53/x
  3. Step 3: Cross multiply
    4,168.27x = 5,750.62 × 2,990.53
  4. Step 4: Simplify right side
    4,168.27x = 17,197,401.63
  5. Step 5: Solve for x
    x = 17,197,401.63/4,168.27
  6. Step 6: Final answer
    x = 4,125.79

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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.