Home / 2,083.20-3,125.08-622.16

Finding the Fourth Proportional to 2,083.20, 3,125.08 and 622.16

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Solution

The fourth proportional to 2,083.20, 3,125.08 and 622.16 is: 933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.20 : 3,125.08 = 622.16 : x
  2. Step 2: Convert to fraction form
    2,083.20/3,125.08 = 622.16/x
  3. Step 3: Cross multiply
    2,083.20x = 3,125.08 × 622.16
  4. Step 4: Simplify right side
    2,083.20x = 1,944,299.77
  5. Step 5: Solve for x
    x = 1,944,299.77/2,083.20
  6. Step 6: Final answer
    x = 933.32

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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.