Home / 5,205.39-7,186.41-3,442.11

Finding the Fourth Proportional to 5,205.39, 7,186.41 and 3,442.11

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Solution

The fourth proportional to 5,205.39, 7,186.41 and 3,442.11 is: 4,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.39 : 7,186.41 = 3,442.11 : x
  2. Step 2: Convert to fraction form
    5,205.39/7,186.41 = 3,442.11/x
  3. Step 3: Cross multiply
    5,205.39x = 7,186.41 × 3,442.11
  4. Step 4: Simplify right side
    5,205.39x = 24,736,413.73
  5. Step 5: Solve for x
    x = 24,736,413.73/5,205.39
  6. Step 6: Final answer
    x = 4,752.08

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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.