Home / 7,371.14-10,172.40-4,226.72

Finding the Fourth Proportional to 7,371.14, 10,172.40 and 4,226.72

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Solution

The fourth proportional to 7,371.14, 10,172.40 and 4,226.72 is: 5,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.14 : 10,172.40 = 4,226.72 : x
  2. Step 2: Convert to fraction form
    7,371.14/10,172.40 = 4,226.72/x
  3. Step 3: Cross multiply
    7,371.14x = 10,172.40 × 4,226.72
  4. Step 4: Simplify right side
    7,371.14x = 42,995,886.53
  5. Step 5: Solve for x
    x = 42,995,886.53/7,371.14
  6. Step 6: Final answer
    x = 5,833.00

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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.