Home / 3,007.75-4,151.92-2,586.41

Finding the Fourth Proportional to 3,007.75, 4,151.92 and 2,586.41

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Solution

The fourth proportional to 3,007.75, 4,151.92 and 2,586.41 is: 3,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.75 : 4,151.92 = 2,586.41 : x
  2. Step 2: Convert to fraction form
    3,007.75/4,151.92 = 2,586.41/x
  3. Step 3: Cross multiply
    3,007.75x = 4,151.92 × 2,586.41
  4. Step 4: Simplify right side
    3,007.75x = 10,738,567.41
  5. Step 5: Solve for x
    x = 10,738,567.41/3,007.75
  6. Step 6: Final answer
    x = 3,570.30

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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.