Home / 5,243.01-7,234.53-3,118.61

Finding the Fourth Proportional to 5,243.01, 7,234.53 and 3,118.61

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Solution

The fourth proportional to 5,243.01, 7,234.53 and 3,118.61 is: 4,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.01 : 7,234.53 = 3,118.61 : x
  2. Step 2: Convert to fraction form
    5,243.01/7,234.53 = 3,118.61/x
  3. Step 3: Cross multiply
    5,243.01x = 7,234.53 × 3,118.61
  4. Step 4: Simplify right side
    5,243.01x = 22,561,683.99
  5. Step 5: Solve for x
    x = 22,561,683.99/5,243.01
  6. Step 6: Final answer
    x = 4,303.20

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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.