Home / 5,272.07-7,275.20-2,914.16

Finding the Fourth Proportional to 5,272.07, 7,275.20 and 2,914.16

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Solution

The fourth proportional to 5,272.07, 7,275.20 and 2,914.16 is: 4,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.07 : 7,275.20 = 2,914.16 : x
  2. Step 2: Convert to fraction form
    5,272.07/7,275.20 = 2,914.16/x
  3. Step 3: Cross multiply
    5,272.07x = 7,275.20 × 2,914.16
  4. Step 4: Simplify right side
    5,272.07x = 21,201,045.89
  5. Step 5: Solve for x
    x = 21,201,045.89/5,272.07
  6. Step 6: Final answer
    x = 4,021.39

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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.