Home / 7,371.52-10,172.82-4,014.39

Finding the Fourth Proportional to 7,371.52, 10,172.82 and 4,014.39

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Solution

The fourth proportional to 7,371.52, 10,172.82 and 4,014.39 is: 5,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.52 : 10,172.82 = 4,014.39 : x
  2. Step 2: Convert to fraction form
    7,371.52/10,172.82 = 4,014.39/x
  3. Step 3: Cross multiply
    7,371.52x = 10,172.82 × 4,014.39
  4. Step 4: Simplify right side
    7,371.52x = 40,837,666.88
  5. Step 5: Solve for x
    x = 40,837,666.88/7,371.52
  6. Step 6: Final answer
    x = 5,539.92

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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.