Home / 3,722.38-5,136.69-2,210.00

Finding the Fourth Proportional to 3,722.38, 5,136.69 and 2,210.00

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Solution

The fourth proportional to 3,722.38, 5,136.69 and 2,210.00 is: 3,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.38 : 5,136.69 = 2,210.00 : x
  2. Step 2: Convert to fraction form
    3,722.38/5,136.69 = 2,210.00/x
  3. Step 3: Cross multiply
    3,722.38x = 5,136.69 × 2,210.00
  4. Step 4: Simplify right side
    3,722.38x = 11,352,097.74
  5. Step 5: Solve for x
    x = 11,352,097.74/3,722.38
  6. Step 6: Final answer
    x = 3,049.69

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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.