Home / 7,372.83-10,174.29-4,015.57

Finding the Fourth Proportional to 7,372.83, 10,174.29 and 4,015.57

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Solution

The fourth proportional to 7,372.83, 10,174.29 and 4,015.57 is: 5,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.83 : 10,174.29 = 4,015.57 : x
  2. Step 2: Convert to fraction form
    7,372.83/10,174.29 = 4,015.57/x
  3. Step 3: Cross multiply
    7,372.83x = 10,174.29 × 4,015.57
  4. Step 4: Simplify right side
    7,372.83x = 40,855,573.70
  5. Step 5: Solve for x
    x = 40,855,573.70/7,372.83
  6. Step 6: Final answer
    x = 5,541.37

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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.