Home / 3,256.65-4,494.75-1,930.81

Finding the Fourth Proportional to 3,256.65, 4,494.75 and 1,930.81

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Solution

The fourth proportional to 3,256.65, 4,494.75 and 1,930.81 is: 2,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.65 : 4,494.75 = 1,930.81 : x
  2. Step 2: Convert to fraction form
    3,256.65/4,494.75 = 1,930.81/x
  3. Step 3: Cross multiply
    3,256.65x = 4,494.75 × 1,930.81
  4. Step 4: Simplify right side
    3,256.65x = 8,678,508.25
  5. Step 5: Solve for x
    x = 8,678,508.25/3,256.65
  6. Step 6: Final answer
    x = 2,664.86

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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.