Home / 5,136.52-7,088.88-3,040.96

Finding the Fourth Proportional to 5,136.52, 7,088.88 and 3,040.96

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Solution

The fourth proportional to 5,136.52, 7,088.88 and 3,040.96 is: 4,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.52 : 7,088.88 = 3,040.96 : x
  2. Step 2: Convert to fraction form
    5,136.52/7,088.88 = 3,040.96/x
  3. Step 3: Cross multiply
    5,136.52x = 7,088.88 × 3,040.96
  4. Step 4: Simplify right side
    5,136.52x = 21,557,000.52
  5. Step 5: Solve for x
    x = 21,557,000.52/5,136.52
  6. Step 6: Final answer
    x = 4,196.81

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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.