Home / 3,983.10-5,973.90-1,061.65

Finding the Fourth Proportional to 3,983.10, 5,973.90 and 1,061.65

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Solution

The fourth proportional to 3,983.10, 5,973.90 and 1,061.65 is: 1,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.10 : 5,973.90 = 1,061.65 : x
  2. Step 2: Convert to fraction form
    3,983.10/5,973.90 = 1,061.65/x
  3. Step 3: Cross multiply
    3,983.10x = 5,973.90 × 1,061.65
  4. Step 4: Simplify right side
    3,983.10x = 6,342,190.94
  5. Step 5: Solve for x
    x = 6,342,190.94/3,983.10
  6. Step 6: Final answer
    x = 1,592.28

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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.