Home / 4,413.11-6,619.70-1,126.24

Finding the Fourth Proportional to 4,413.11, 6,619.70 and 1,126.24

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Solution

The fourth proportional to 4,413.11, 6,619.70 and 1,126.24 is: 1,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.11 : 6,619.70 = 1,126.24 : x
  2. Step 2: Convert to fraction form
    4,413.11/6,619.70 = 1,126.24/x
  3. Step 3: Cross multiply
    4,413.11x = 6,619.70 × 1,126.24
  4. Step 4: Simplify right side
    4,413.11x = 7,455,357.19
  5. Step 5: Solve for x
    x = 7,455,357.19/4,413.11
  6. Step 6: Final answer
    x = 1,689.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.