Home / 3,284.42-4,529.46-2,447.18

Finding the Fourth Proportional to 3,284.42, 4,529.46 and 2,447.18

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Solution

The fourth proportional to 3,284.42, 4,529.46 and 2,447.18 is: 3,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.42 : 4,529.46 = 2,447.18 : x
  2. Step 2: Convert to fraction form
    3,284.42/4,529.46 = 2,447.18/x
  3. Step 3: Cross multiply
    3,284.42x = 4,529.46 × 2,447.18
  4. Step 4: Simplify right side
    3,284.42x = 11,084,403.92
  5. Step 5: Solve for x
    x = 11,084,403.92/3,284.42
  6. Step 6: Final answer
    x = 3,374.84

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Double scale
Find fourth proportional to 3,285.42, 4,530.84 and 2,448.18
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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.