Home / 7,399.10-10,210.75-4,255.29

Finding the Fourth Proportional to 7,399.10, 10,210.75 and 4,255.29

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Solution

The fourth proportional to 7,399.10, 10,210.75 and 4,255.29 is: 5,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.10 : 10,210.75 = 4,255.29 : x
  2. Step 2: Convert to fraction form
    7,399.10/10,210.75 = 4,255.29/x
  3. Step 3: Cross multiply
    7,399.10x = 10,210.75 × 4,255.29
  4. Step 4: Simplify right side
    7,399.10x = 43,449,640.68
  5. Step 5: Solve for x
    x = 43,449,640.68/7,399.10
  6. Step 6: Final answer
    x = 5,872.29

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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.