Home / 5,098.42-7,643.31-2,756.98

Finding the Fourth Proportional to 5,098.42, 7,643.31 and 2,756.98

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Solution

The fourth proportional to 5,098.42, 7,643.31 and 2,756.98 is: 4,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.42 : 7,643.31 = 2,756.98 : x
  2. Step 2: Convert to fraction form
    5,098.42/7,643.31 = 2,756.98/x
  3. Step 3: Cross multiply
    5,098.42x = 7,643.31 × 2,756.98
  4. Step 4: Simplify right side
    5,098.42x = 21,072,452.80
  5. Step 5: Solve for x
    x = 21,072,452.80/5,098.42
  6. Step 6: Final answer
    x = 4,133.13

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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.