Home / 3,579.65-5,369.25-1,114.28

Finding the Fourth Proportional to 3,579.65, 5,369.25 and 1,114.28

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Solution

The fourth proportional to 3,579.65, 5,369.25 and 1,114.28 is: 1,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.65 : 5,369.25 = 1,114.28 : x
  2. Step 2: Convert to fraction form
    3,579.65/5,369.25 = 1,114.28/x
  3. Step 3: Cross multiply
    3,579.65x = 5,369.25 × 1,114.28
  4. Step 4: Simplify right side
    3,579.65x = 5,982,847.89
  5. Step 5: Solve for x
    x = 5,982,847.89/3,579.65
  6. Step 6: Final answer
    x = 1,671.35

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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.