Home / 3,451.56-4,763.70-2,055.12

Finding the Fourth Proportional to 3,451.56, 4,763.70 and 2,055.12

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Solution

The fourth proportional to 3,451.56, 4,763.70 and 2,055.12 is: 2,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.56 : 4,763.70 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    3,451.56/4,763.70 = 2,055.12/x
  3. Step 3: Cross multiply
    3,451.56x = 4,763.70 × 2,055.12
  4. Step 4: Simplify right side
    3,451.56x = 9,789,975.14
  5. Step 5: Solve for x
    x = 9,789,975.14/3,451.56
  6. Step 6: Final answer
    x = 2,836.39

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Half scale
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Double scale
Find fourth proportional to 3,452.56, 4,765.08 and 2,056.12
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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.