Home / 5,172.59-7,758.90-2,053.37

Finding the Fourth Proportional to 5,172.59, 7,758.90 and 2,053.37

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Solution

The fourth proportional to 5,172.59, 7,758.90 and 2,053.37 is: 3,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.59 : 7,758.90 = 2,053.37 : x
  2. Step 2: Convert to fraction form
    5,172.59/7,758.90 = 2,053.37/x
  3. Step 3: Cross multiply
    5,172.59x = 7,758.90 × 2,053.37
  4. Step 4: Simplify right side
    5,172.59x = 15,931,853.70
  5. Step 5: Solve for x
    x = 15,931,853.70/5,172.59
  6. Step 6: Final answer
    x = 3,080.06

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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.