Home / 5,013.98-7,519.76-2,090.70

Finding the Fourth Proportional to 5,013.98, 7,519.76 and 2,090.70

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Solution

The fourth proportional to 5,013.98, 7,519.76 and 2,090.70 is: 3,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.98 : 7,519.76 = 2,090.70 : x
  2. Step 2: Convert to fraction form
    5,013.98/7,519.76 = 2,090.70/x
  3. Step 3: Cross multiply
    5,013.98x = 7,519.76 × 2,090.70
  4. Step 4: Simplify right side
    5,013.98x = 15,721,562.23
  5. Step 5: Solve for x
    x = 15,721,562.23/5,013.98
  6. Step 6: Final answer
    x = 3,135.55

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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.