Home / 7,257.38-10,015.38-4,113.77

Finding the Fourth Proportional to 7,257.38, 10,015.38 and 4,113.77

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Solution

The fourth proportional to 7,257.38, 10,015.38 and 4,113.77 is: 5,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.38 : 10,015.38 = 4,113.77 : x
  2. Step 2: Convert to fraction form
    7,257.38/10,015.38 = 4,113.77/x
  3. Step 3: Cross multiply
    7,257.38x = 10,015.38 × 4,113.77
  4. Step 4: Simplify right side
    7,257.38x = 41,200,919.71
  5. Step 5: Solve for x
    x = 41,200,919.71/7,257.38
  6. Step 6: Final answer
    x = 5,677.11

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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.