Home / 5,259.36-7,258.56-3,021.23

Finding the Fourth Proportional to 5,259.36, 7,258.56 and 3,021.23

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Solution

The fourth proportional to 5,259.36, 7,258.56 and 3,021.23 is: 4,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.36 : 7,258.56 = 3,021.23 : x
  2. Step 2: Convert to fraction form
    5,259.36/7,258.56 = 3,021.23/x
  3. Step 3: Cross multiply
    5,259.36x = 7,258.56 × 3,021.23
  4. Step 4: Simplify right side
    5,259.36x = 21,929,761.91
  5. Step 5: Solve for x
    x = 21,929,761.91/5,259.36
  6. Step 6: Final answer
    x = 4,169.66

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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.