Home / 5,272.50-7,275.42-2,914.32

Finding the Fourth Proportional to 5,272.50, 7,275.42 and 2,914.32

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Solution

The fourth proportional to 5,272.50, 7,275.42 and 2,914.32 is: 4,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.50 : 7,275.42 = 2,914.32 : x
  2. Step 2: Convert to fraction form
    5,272.50/7,275.42 = 2,914.32/x
  3. Step 3: Cross multiply
    5,272.50x = 7,275.42 × 2,914.32
  4. Step 4: Simplify right side
    5,272.50x = 21,202,902.01
  5. Step 5: Solve for x
    x = 21,202,902.01/5,272.50
  6. Step 6: Final answer
    x = 4,021.41

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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.