Home / 5,721.72-7,895.94-3,363.36

Finding the Fourth Proportional to 5,721.72, 7,895.94 and 3,363.36

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Solution

The fourth proportional to 5,721.72, 7,895.94 and 3,363.36 is: 4,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.72 : 7,895.94 = 3,363.36 : x
  2. Step 2: Convert to fraction form
    5,721.72/7,895.94 = 3,363.36/x
  3. Step 3: Cross multiply
    5,721.72x = 7,895.94 × 3,363.36
  4. Step 4: Simplify right side
    5,721.72x = 26,556,888.76
  5. Step 5: Solve for x
    x = 26,556,888.76/5,721.72
  6. Step 6: Final answer
    x = 4,641.42

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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.