Home / 2,486.46-3,434.10-1,933.58

Finding the Fourth Proportional to 2,486.46, 3,434.10 and 1,933.58

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Solution

The fourth proportional to 2,486.46, 3,434.10 and 1,933.58 is: 2,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.46 : 3,434.10 = 1,933.58 : x
  2. Step 2: Convert to fraction form
    2,486.46/3,434.10 = 1,933.58/x
  3. Step 3: Cross multiply
    2,486.46x = 3,434.10 × 1,933.58
  4. Step 4: Simplify right side
    2,486.46x = 6,640,107.08
  5. Step 5: Solve for x
    x = 6,640,107.08/2,486.46
  6. Step 6: Final answer
    x = 2,670.51

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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.