Home / 7,545.48-10,413.14-4,188.60

Finding the Fourth Proportional to 7,545.48, 10,413.14 and 4,188.60

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Solution

The fourth proportional to 7,545.48, 10,413.14 and 4,188.60 is: 5,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.48 : 10,413.14 = 4,188.60 : x
  2. Step 2: Convert to fraction form
    7,545.48/10,413.14 = 4,188.60/x
  3. Step 3: Cross multiply
    7,545.48x = 10,413.14 × 4,188.60
  4. Step 4: Simplify right side
    7,545.48x = 43,616,478.20
  5. Step 5: Solve for x
    x = 43,616,478.20/7,545.48
  6. Step 6: Final answer
    x = 5,780.48

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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.