Home / 7,371.54-10,172.57-4,014.39

Finding the Fourth Proportional to 7,371.54, 10,172.57 and 4,014.39

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Solution

The fourth proportional to 7,371.54, 10,172.57 and 4,014.39 is: 5,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.54 : 10,172.57 = 4,014.39 : x
  2. Step 2: Convert to fraction form
    7,371.54/10,172.57 = 4,014.39/x
  3. Step 3: Cross multiply
    7,371.54x = 10,172.57 × 4,014.39
  4. Step 4: Simplify right side
    7,371.54x = 40,836,663.28
  5. Step 5: Solve for x
    x = 40,836,663.28/7,371.54
  6. Step 6: Final answer
    x = 5,539.77

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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.