Home / 5,210.83-7,190.98-2,852.97

Finding the Fourth Proportional to 5,210.83, 7,190.98 and 2,852.97

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Solution

The fourth proportional to 5,210.83, 7,190.98 and 2,852.97 is: 3,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.83 : 7,190.98 = 2,852.97 : x
  2. Step 2: Convert to fraction form
    5,210.83/7,190.98 = 2,852.97/x
  3. Step 3: Cross multiply
    5,210.83x = 7,190.98 × 2,852.97
  4. Step 4: Simplify right side
    5,210.83x = 20,515,656.56
  5. Step 5: Solve for x
    x = 20,515,656.56/5,210.83
  6. Step 6: Final answer
    x = 3,937.12

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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.