Home / 5,089.82-7,024.14-2,851.79

Finding the Fourth Proportional to 5,089.82, 7,024.14 and 2,851.79

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Solution

The fourth proportional to 5,089.82, 7,024.14 and 2,851.79 is: 3,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.82 : 7,024.14 = 2,851.79 : x
  2. Step 2: Convert to fraction form
    5,089.82/7,024.14 = 2,851.79/x
  3. Step 3: Cross multiply
    5,089.82x = 7,024.14 × 2,851.79
  4. Step 4: Simplify right side
    5,089.82x = 20,031,337.09
  5. Step 5: Solve for x
    x = 20,031,337.09/5,089.82
  6. Step 6: Final answer
    x = 3,935.57

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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.