Home / 5,921.98-8,169.75-3,403.51

Finding the Fourth Proportional to 5,921.98, 8,169.75 and 3,403.51

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Solution

The fourth proportional to 5,921.98, 8,169.75 and 3,403.51 is: 4,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.98 : 8,169.75 = 3,403.51 : x
  2. Step 2: Convert to fraction form
    5,921.98/8,169.75 = 3,403.51/x
  3. Step 3: Cross multiply
    5,921.98x = 8,169.75 × 3,403.51
  4. Step 4: Simplify right side
    5,921.98x = 27,805,805.40
  5. Step 5: Solve for x
    x = 27,805,805.40/5,921.98
  6. Step 6: Final answer
    x = 4,695.36

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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.