Home / 3,571.33-4,920.99-3,038.35

Finding the Fourth Proportional to 3,571.33, 4,920.99 and 3,038.35

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Solution

The fourth proportional to 3,571.33, 4,920.99 and 3,038.35 is: 4,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.33 : 4,920.99 = 3,038.35 : x
  2. Step 2: Convert to fraction form
    3,571.33/4,920.99 = 3,038.35/x
  3. Step 3: Cross multiply
    3,571.33x = 4,920.99 × 3,038.35
  4. Step 4: Simplify right side
    3,571.33x = 14,951,689.97
  5. Step 5: Solve for x
    x = 14,951,689.97/3,571.33
  6. Step 6: Final answer
    x = 4,186.59

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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.