Home / 2,083.88-3,126.26-623.12

Finding the Fourth Proportional to 2,083.88, 3,126.26 and 623.12

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Solution

The fourth proportional to 2,083.88, 3,126.26 and 623.12 is: 934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.88 : 3,126.26 = 623.12 : x
  2. Step 2: Convert to fraction form
    2,083.88/3,126.26 = 623.12/x
  3. Step 3: Cross multiply
    2,083.88x = 3,126.26 × 623.12
  4. Step 4: Simplify right side
    2,083.88x = 1,948,035.13
  5. Step 5: Solve for x
    x = 1,948,035.13/2,083.88
  6. Step 6: Final answer
    x = 934.81

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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.