Home / 5,235.06-7,223.90-2,997.70

Finding the Fourth Proportional to 5,235.06, 7,223.90 and 2,997.70

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Solution

The fourth proportional to 5,235.06, 7,223.90 and 2,997.70 is: 4,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.06 : 7,223.90 = 2,997.70 : x
  2. Step 2: Convert to fraction form
    5,235.06/7,223.90 = 2,997.70/x
  3. Step 3: Cross multiply
    5,235.06x = 7,223.90 × 2,997.70
  4. Step 4: Simplify right side
    5,235.06x = 21,655,085.03
  5. Step 5: Solve for x
    x = 21,655,085.03/5,235.06
  6. Step 6: Final answer
    x = 4,136.55

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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.