Home / 3,255.07-4,491.97-1,762.95

Finding the Fourth Proportional to 3,255.07, 4,491.97 and 1,762.95

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Solution

The fourth proportional to 3,255.07, 4,491.97 and 1,762.95 is: 2,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.07 : 4,491.97 = 1,762.95 : x
  2. Step 2: Convert to fraction form
    3,255.07/4,491.97 = 1,762.95/x
  3. Step 3: Cross multiply
    3,255.07x = 4,491.97 × 1,762.95
  4. Step 4: Simplify right side
    3,255.07x = 7,919,118.51
  5. Step 5: Solve for x
    x = 7,919,118.51/3,255.07
  6. Step 6: Final answer
    x = 2,432.86

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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.