Home / 3,331.70-4,993.08-1,577.16

Finding the Fourth Proportional to 3,331.70, 4,993.08 and 1,577.16

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Solution

The fourth proportional to 3,331.70, 4,993.08 and 1,577.16 is: 2,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.70 : 4,993.08 = 1,577.16 : x
  2. Step 2: Convert to fraction form
    3,331.70/4,993.08 = 1,577.16/x
  3. Step 3: Cross multiply
    3,331.70x = 4,993.08 × 1,577.16
  4. Step 4: Simplify right side
    3,331.70x = 7,874,886.05
  5. Step 5: Solve for x
    x = 7,874,886.05/3,331.70
  6. Step 6: Final answer
    x = 2,363.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.