Home / 5,235.90-7,225.72-2,997.74

Finding the Fourth Proportional to 5,235.90, 7,225.72 and 2,997.74

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Solution

The fourth proportional to 5,235.90, 7,225.72 and 2,997.74 is: 4,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.90 : 7,225.72 = 2,997.74 : x
  2. Step 2: Convert to fraction form
    5,235.90/7,225.72 = 2,997.74/x
  3. Step 3: Cross multiply
    5,235.90x = 7,225.72 × 2,997.74
  4. Step 4: Simplify right side
    5,235.90x = 21,660,829.87
  5. Step 5: Solve for x
    x = 21,660,829.87/5,235.90
  6. Step 6: Final answer
    x = 4,136.98

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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.