Home / 4,990.10-7,475.57-2,792.16

Finding the Fourth Proportional to 4,990.10, 7,475.57 and 2,792.16

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Solution

The fourth proportional to 4,990.10, 7,475.57 and 2,792.16 is: 4,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.10 : 7,475.57 = 2,792.16 : x
  2. Step 2: Convert to fraction form
    4,990.10/7,475.57 = 2,792.16/x
  3. Step 3: Cross multiply
    4,990.10x = 7,475.57 × 2,792.16
  4. Step 4: Simplify right side
    4,990.10x = 20,872,973.57
  5. Step 5: Solve for x
    x = 20,872,973.57/4,990.10
  6. Step 6: Final answer
    x = 4,182.88

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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.