Home / 7,372.55-10,174.38-4,015.43

Finding the Fourth Proportional to 7,372.55, 10,174.38 and 4,015.43

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Solution

The fourth proportional to 7,372.55, 10,174.38 and 4,015.43 is: 5,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.55 : 10,174.38 = 4,015.43 : x
  2. Step 2: Convert to fraction form
    7,372.55/10,174.38 = 4,015.43/x
  3. Step 3: Cross multiply
    7,372.55x = 10,174.38 × 4,015.43
  4. Step 4: Simplify right side
    7,372.55x = 40,854,459.81
  5. Step 5: Solve for x
    x = 40,854,459.81/7,372.55
  6. Step 6: Final answer
    x = 5,541.43

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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.