Home / 4,083.78-6,123.25-1,742.59

Finding the Fourth Proportional to 4,083.78, 6,123.25 and 1,742.59

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Solution

The fourth proportional to 4,083.78, 6,123.25 and 1,742.59 is: 2,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.78 : 6,123.25 = 1,742.59 : x
  2. Step 2: Convert to fraction form
    4,083.78/6,123.25 = 1,742.59/x
  3. Step 3: Cross multiply
    4,083.78x = 6,123.25 × 1,742.59
  4. Step 4: Simplify right side
    4,083.78x = 10,670,314.22
  5. Step 5: Solve for x
    x = 10,670,314.22/4,083.78
  6. Step 6: Final answer
    x = 2,612.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.