Home / 5,245.02-7,237.98-3,123

Finding the Fourth Proportional to 5,245.02, 7,237.98 and 3,123

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Solution

The fourth proportional to 5,245.02, 7,237.98 and 3,123 is: 4,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.02 : 7,237.98 = 3,123 : x
  2. Step 2: Convert to fraction form
    5,245.02/7,237.98 = 3,123/x
  3. Step 3: Cross multiply
    5,245.02x = 7,237.98 × 3,123
  4. Step 4: Simplify right side
    5,245.02x = 22,604,211.54
  5. Step 5: Solve for x
    x = 22,604,211.54/5,245.02
  6. Step 6: Final answer
    x = 4,309.65

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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.