Home / 4,223.32-5,820.06-2,979.16

Finding the Fourth Proportional to 4,223.32, 5,820.06 and 2,979.16

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Solution

The fourth proportional to 4,223.32, 5,820.06 and 2,979.16 is: 4,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.32 : 5,820.06 = 2,979.16 : x
  2. Step 2: Convert to fraction form
    4,223.32/5,820.06 = 2,979.16/x
  3. Step 3: Cross multiply
    4,223.32x = 5,820.06 × 2,979.16
  4. Step 4: Simplify right side
    4,223.32x = 17,338,889.95
  5. Step 5: Solve for x
    x = 17,338,889.95/4,223.32
  6. Step 6: Final answer
    x = 4,105.51

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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.