Home / 5,531.04-7,627.07-4,272.30

Finding the Fourth Proportional to 5,531.04, 7,627.07 and 4,272.30

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Solution

The fourth proportional to 5,531.04, 7,627.07 and 4,272.30 is: 5,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.04 : 7,627.07 = 4,272.30 : x
  2. Step 2: Convert to fraction form
    5,531.04/7,627.07 = 4,272.30/x
  3. Step 3: Cross multiply
    5,531.04x = 7,627.07 × 4,272.30
  4. Step 4: Simplify right side
    5,531.04x = 32,585,109.80
  5. Step 5: Solve for x
    x = 32,585,109.80/5,531.04
  6. Step 6: Final answer
    x = 5,891.32

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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.