Home / 7,372.86-10,174.26-4,015.62

Finding the Fourth Proportional to 7,372.86, 10,174.26 and 4,015.62

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Solution

The fourth proportional to 7,372.86, 10,174.26 and 4,015.62 is: 5,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.86 : 10,174.26 = 4,015.62 : x
  2. Step 2: Convert to fraction form
    7,372.86/10,174.26 = 4,015.62/x
  3. Step 3: Cross multiply
    7,372.86x = 10,174.26 × 4,015.62
  4. Step 4: Simplify right side
    7,372.86x = 40,855,961.94
  5. Step 5: Solve for x
    x = 40,855,961.94/7,372.86
  6. Step 6: Final answer
    x = 5,541.40

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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.