Home / 5,235.76-7,222.80-3,468.85

Finding the Fourth Proportional to 5,235.76, 7,222.80 and 3,468.85

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Solution

The fourth proportional to 5,235.76, 7,222.80 and 3,468.85 is: 4,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.76 : 7,222.80 = 3,468.85 : x
  2. Step 2: Convert to fraction form
    5,235.76/7,222.80 = 3,468.85/x
  3. Step 3: Cross multiply
    5,235.76x = 7,222.80 × 3,468.85
  4. Step 4: Simplify right side
    5,235.76x = 25,054,809.78
  5. Step 5: Solve for x
    x = 25,054,809.78/5,235.76
  6. Step 6: Final answer
    x = 4,785.32

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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.