Home / 5,152.22-7,109.97-2,914.01

Finding the Fourth Proportional to 5,152.22, 7,109.97 and 2,914.01

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Solution

The fourth proportional to 5,152.22, 7,109.97 and 2,914.01 is: 4,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.22 : 7,109.97 = 2,914.01 : x
  2. Step 2: Convert to fraction form
    5,152.22/7,109.97 = 2,914.01/x
  3. Step 3: Cross multiply
    5,152.22x = 7,109.97 × 2,914.01
  4. Step 4: Simplify right side
    5,152.22x = 20,718,488.13
  5. Step 5: Solve for x
    x = 20,718,488.13/5,152.22
  6. Step 6: Final answer
    x = 4,021.28

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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.