Home / 5,272.32-7,275.60-2,914.08

Finding the Fourth Proportional to 5,272.32, 7,275.60 and 2,914.08

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Solution

The fourth proportional to 5,272.32, 7,275.60 and 2,914.08 is: 4,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.32 : 7,275.60 = 2,914.08 : x
  2. Step 2: Convert to fraction form
    5,272.32/7,275.60 = 2,914.08/x
  3. Step 3: Cross multiply
    5,272.32x = 7,275.60 × 2,914.08
  4. Step 4: Simplify right side
    5,272.32x = 21,201,680.45
  5. Step 5: Solve for x
    x = 21,201,680.45/5,272.32
  6. Step 6: Final answer
    x = 4,021.32

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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.