Home / 4,782.38-6,600.22-2,687.18

Finding the Fourth Proportional to 4,782.38, 6,600.22 and 2,687.18

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Solution

The fourth proportional to 4,782.38, 6,600.22 and 2,687.18 is: 3,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.38 : 6,600.22 = 2,687.18 : x
  2. Step 2: Convert to fraction form
    4,782.38/6,600.22 = 2,687.18/x
  3. Step 3: Cross multiply
    4,782.38x = 6,600.22 × 2,687.18
  4. Step 4: Simplify right side
    4,782.38x = 17,735,939.46
  5. Step 5: Solve for x
    x = 17,735,939.46/4,782.38
  6. Step 6: Final answer
    x = 3,708.60

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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.