Home / 5,232.26-7,220.40-3,136.28

Finding the Fourth Proportional to 5,232.26, 7,220.40 and 3,136.28

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Solution

The fourth proportional to 5,232.26, 7,220.40 and 3,136.28 is: 4,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.26 : 7,220.40 = 3,136.28 : x
  2. Step 2: Convert to fraction form
    5,232.26/7,220.40 = 3,136.28/x
  3. Step 3: Cross multiply
    5,232.26x = 7,220.40 × 3,136.28
  4. Step 4: Simplify right side
    5,232.26x = 22,645,196.11
  5. Step 5: Solve for x
    x = 22,645,196.11/5,232.26
  6. Step 6: Final answer
    x = 4,328.00

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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.