Home / 7,772.22-10,725.69-4,235.43

Finding the Fourth Proportional to 7,772.22, 10,725.69 and 4,235.43

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Solution

The fourth proportional to 7,772.22, 10,725.69 and 4,235.43 is: 5,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.22 : 10,725.69 = 4,235.43 : x
  2. Step 2: Convert to fraction form
    7,772.22/10,725.69 = 4,235.43/x
  3. Step 3: Cross multiply
    7,772.22x = 10,725.69 × 4,235.43
  4. Step 4: Simplify right side
    7,772.22x = 45,427,909.20
  5. Step 5: Solve for x
    x = 45,427,909.20/7,772.22
  6. Step 6: Final answer
    x = 5,844.91

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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.