Home / 5,062.58-6,985.62-3,072.80

Finding the Fourth Proportional to 5,062.58, 6,985.62 and 3,072.80

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Solution

The fourth proportional to 5,062.58, 6,985.62 and 3,072.80 is: 4,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.58 : 6,985.62 = 3,072.80 : x
  2. Step 2: Convert to fraction form
    5,062.58/6,985.62 = 3,072.80/x
  3. Step 3: Cross multiply
    5,062.58x = 6,985.62 × 3,072.80
  4. Step 4: Simplify right side
    5,062.58x = 21,465,413.14
  5. Step 5: Solve for x
    x = 21,465,413.14/5,062.58
  6. Step 6: Final answer
    x = 4,240.01

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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.