Home / 7,772.25-10,725.92-4,235.69

Finding the Fourth Proportional to 7,772.25, 10,725.92 and 4,235.69

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Solution

The fourth proportional to 7,772.25, 10,725.92 and 4,235.69 is: 5,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.25 : 10,725.92 = 4,235.69 : x
  2. Step 2: Convert to fraction form
    7,772.25/10,725.92 = 4,235.69/x
  3. Step 3: Cross multiply
    7,772.25x = 10,725.92 × 4,235.69
  4. Step 4: Simplify right side
    7,772.25x = 45,431,693.60
  5. Step 5: Solve for x
    x = 45,431,693.60/7,772.25
  6. Step 6: Final answer
    x = 5,845.37

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Half scale
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Double 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.