Home / 7,072.22-10,608.32-1,807.22

Finding the Fourth Proportional to 7,072.22, 10,608.32 and 1,807.22

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Solution

The fourth proportional to 7,072.22, 10,608.32 and 1,807.22 is: 2,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.22 : 10,608.32 = 1,807.22 : x
  2. Step 2: Convert to fraction form
    7,072.22/10,608.32 = 1,807.22/x
  3. Step 3: Cross multiply
    7,072.22x = 10,608.32 × 1,807.22
  4. Step 4: Simplify right side
    7,072.22x = 19,171,599.11
  5. Step 5: Solve for x
    x = 19,171,599.11/7,072.22
  6. Step 6: Final answer
    x = 2,710.83

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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.