Home / 4,518.10-6,238.82-2,842.31

Finding the Fourth Proportional to 4,518.10, 6,238.82 and 2,842.31

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Solution

The fourth proportional to 4,518.10, 6,238.82 and 2,842.31 is: 3,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.10 : 6,238.82 = 2,842.31 : x
  2. Step 2: Convert to fraction form
    4,518.10/6,238.82 = 2,842.31/x
  3. Step 3: Cross multiply
    4,518.10x = 6,238.82 × 2,842.31
  4. Step 4: Simplify right side
    4,518.10x = 17,732,622.17
  5. Step 5: Solve for x
    x = 17,732,622.17/4,518.10
  6. Step 6: Final answer
    x = 3,924.80

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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.