Home / 7,772.24-10,725.68-4,235.45

Finding the Fourth Proportional to 7,772.24, 10,725.68 and 4,235.45

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Solution

The fourth proportional to 7,772.24, 10,725.68 and 4,235.45 is: 5,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.24 : 10,725.68 = 4,235.45 : x
  2. Step 2: Convert to fraction form
    7,772.24/10,725.68 = 4,235.45/x
  3. Step 3: Cross multiply
    7,772.24x = 10,725.68 × 4,235.45
  4. Step 4: Simplify right side
    7,772.24x = 45,428,006.55
  5. Step 5: Solve for x
    x = 45,428,006.55/7,772.24
  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.