Home / 5,232.48-7,221.36-3,136.80

Finding the Fourth Proportional to 5,232.48, 7,221.36 and 3,136.80

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Solution

The fourth proportional to 5,232.48, 7,221.36 and 3,136.80 is: 4,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.48 : 7,221.36 = 3,136.80 : x
  2. Step 2: Convert to fraction form
    5,232.48/7,221.36 = 3,136.80/x
  3. Step 3: Cross multiply
    5,232.48x = 7,221.36 × 3,136.80
  4. Step 4: Simplify right side
    5,232.48x = 22,651,962.05
  5. Step 5: Solve for x
    x = 22,651,962.05/5,232.48
  6. Step 6: Final answer
    x = 4,329.11

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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.