Home / 5,272.10-7,275.47-2,914.22

Finding the Fourth Proportional to 5,272.10, 7,275.47 and 2,914.22

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Solution

The fourth proportional to 5,272.10, 7,275.47 and 2,914.22 is: 4,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.10 : 7,275.47 = 2,914.22 : x
  2. Step 2: Convert to fraction form
    5,272.10/7,275.47 = 2,914.22/x
  3. Step 3: Cross multiply
    5,272.10x = 7,275.47 × 2,914.22
  4. Step 4: Simplify right side
    5,272.10x = 21,202,345.66
  5. Step 5: Solve for x
    x = 21,202,345.66/5,272.10
  6. Step 6: Final answer
    x = 4,021.62

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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.