Home / 4,219.46-5,822.88-2,305.31

Finding the Fourth Proportional to 4,219.46, 5,822.88 and 2,305.31

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Solution

The fourth proportional to 4,219.46, 5,822.88 and 2,305.31 is: 3,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.46 : 5,822.88 = 2,305.31 : x
  2. Step 2: Convert to fraction form
    4,219.46/5,822.88 = 2,305.31/x
  3. Step 3: Cross multiply
    4,219.46x = 5,822.88 × 2,305.31
  4. Step 4: Simplify right side
    4,219.46x = 13,423,514.38
  5. Step 5: Solve for x
    x = 13,423,514.38/4,219.46
  6. Step 6: Final answer
    x = 3,181.33

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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.