Home / 3,772.39-5,205.93-2,281.30

Finding the Fourth Proportional to 3,772.39, 5,205.93 and 2,281.30

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Solution

The fourth proportional to 3,772.39, 5,205.93 and 2,281.30 is: 3,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.39 : 5,205.93 = 2,281.30 : x
  2. Step 2: Convert to fraction form
    3,772.39/5,205.93 = 2,281.30/x
  3. Step 3: Cross multiply
    3,772.39x = 5,205.93 × 2,281.30
  4. Step 4: Simplify right side
    3,772.39x = 11,876,308.65
  5. Step 5: Solve for x
    x = 11,876,308.65/3,772.39
  6. Step 6: Final answer
    x = 3,148.22

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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.