Home / 7,545.84-10,413.14-4,188.66

Finding the Fourth Proportional to 7,545.84, 10,413.14 and 4,188.66

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Solution

The fourth proportional to 7,545.84, 10,413.14 and 4,188.66 is: 5,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.84 : 10,413.14 = 4,188.66 : x
  2. Step 2: Convert to fraction form
    7,545.84/10,413.14 = 4,188.66/x
  3. Step 3: Cross multiply
    7,545.84x = 10,413.14 × 4,188.66
  4. Step 4: Simplify right side
    7,545.84x = 43,617,082.05
  5. Step 5: Solve for x
    x = 43,617,082.05/7,545.84
  6. Step 6: Final answer
    x = 5,780.28

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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.