Home / 5,015.91-7,512.87-4,136.40

Finding the Fourth Proportional to 5,015.91, 7,512.87 and 4,136.40

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Solution

The fourth proportional to 5,015.91, 7,512.87 and 4,136.40 is: 6,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.91 : 7,512.87 = 4,136.40 : x
  2. Step 2: Convert to fraction form
    5,015.91/7,512.87 = 4,136.40/x
  3. Step 3: Cross multiply
    5,015.91x = 7,512.87 × 4,136.40
  4. Step 4: Simplify right side
    5,015.91x = 31,076,235.47
  5. Step 5: Solve for x
    x = 31,076,235.47/5,015.91
  6. Step 6: Final answer
    x = 6,195.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.