Home / 7,772.37-10,725.85-4,235.57

Finding the Fourth Proportional to 7,772.37, 10,725.85 and 4,235.57

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Solution

The fourth proportional to 7,772.37, 10,725.85 and 4,235.57 is: 5,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.37 : 10,725.85 = 4,235.57 : x
  2. Step 2: Convert to fraction form
    7,772.37/10,725.85 = 4,235.57/x
  3. Step 3: Cross multiply
    7,772.37x = 10,725.85 × 4,235.57
  4. Step 4: Simplify right side
    7,772.37x = 45,430,067.31
  5. Step 5: Solve for x
    x = 45,430,067.31/7,772.37
  6. Step 6: Final answer
    x = 5,845.08

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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.