Home / 5,432.75-8,136.06-4,648.25

Finding the Fourth Proportional to 5,432.75, 8,136.06 and 4,648.25

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Solution

The fourth proportional to 5,432.75, 8,136.06 and 4,648.25 is: 6,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.75 : 8,136.06 = 4,648.25 : x
  2. Step 2: Convert to fraction form
    5,432.75/8,136.06 = 4,648.25/x
  3. Step 3: Cross multiply
    5,432.75x = 8,136.06 × 4,648.25
  4. Step 4: Simplify right side
    5,432.75x = 37,818,440.90
  5. Step 5: Solve for x
    x = 37,818,440.90/5,432.75
  6. Step 6: Final answer
    x = 6,961.20

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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.