Home / 5,053.81-7,581.20-1,724.39

Finding the Fourth Proportional to 5,053.81, 7,581.20 and 1,724.39

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Solution

The fourth proportional to 5,053.81, 7,581.20 and 1,724.39 is: 2,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.81 : 7,581.20 = 1,724.39 : x
  2. Step 2: Convert to fraction form
    5,053.81/7,581.20 = 1,724.39/x
  3. Step 3: Cross multiply
    5,053.81x = 7,581.20 × 1,724.39
  4. Step 4: Simplify right side
    5,053.81x = 13,072,945.47
  5. Step 5: Solve for x
    x = 13,072,945.47/5,053.81
  6. Step 6: Final answer
    x = 2,586.75

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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.