Home / 5,235.72-7,225.28-2,997.56

Finding the Fourth Proportional to 5,235.72, 7,225.28 and 2,997.56

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Solution

The fourth proportional to 5,235.72, 7,225.28 and 2,997.56 is: 4,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.72 : 7,225.28 = 2,997.56 : x
  2. Step 2: Convert to fraction form
    5,235.72/7,225.28 = 2,997.56/x
  3. Step 3: Cross multiply
    5,235.72x = 7,225.28 × 2,997.56
  4. Step 4: Simplify right side
    5,235.72x = 21,658,159.20
  5. Step 5: Solve for x
    x = 21,658,159.20/5,235.72
  6. Step 6: Final answer
    x = 4,136.62

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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.