Home / 7,372.50-10,174.02-4,228.62

Finding the Fourth Proportional to 7,372.50, 10,174.02 and 4,228.62

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Solution

The fourth proportional to 7,372.50, 10,174.02 and 4,228.62 is: 5,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.50 : 10,174.02 = 4,228.62 : x
  2. Step 2: Convert to fraction form
    7,372.50/10,174.02 = 4,228.62/x
  3. Step 3: Cross multiply
    7,372.50x = 10,174.02 × 4,228.62
  4. Step 4: Simplify right side
    7,372.50x = 43,022,064.45
  5. Step 5: Solve for x
    x = 43,022,064.45/7,372.50
  6. Step 6: Final answer
    x = 5,835.48

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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.