Home / 3,104.75-4,284.56-2,056.81

Finding the Fourth Proportional to 3,104.75, 4,284.56 and 2,056.81

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Solution

The fourth proportional to 3,104.75, 4,284.56 and 2,056.81 is: 2,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.75 : 4,284.56 = 2,056.81 : x
  2. Step 2: Convert to fraction form
    3,104.75/4,284.56 = 2,056.81/x
  3. Step 3: Cross multiply
    3,104.75x = 4,284.56 × 2,056.81
  4. Step 4: Simplify right side
    3,104.75x = 8,812,525.85
  5. Step 5: Solve for x
    x = 8,812,525.85/3,104.75
  6. Step 6: Final answer
    x = 2,838.40

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Find fourth proportional to 1,552.38, 2,142.28 and 1,028.41
Half scale
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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.