Home / 5,210.38-7,190.47-2,852.52

Finding the Fourth Proportional to 5,210.38, 7,190.47 and 2,852.52

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Solution

The fourth proportional to 5,210.38, 7,190.47 and 2,852.52 is: 3,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.38 : 7,190.47 = 2,852.52 : x
  2. Step 2: Convert to fraction form
    5,210.38/7,190.47 = 2,852.52/x
  3. Step 3: Cross multiply
    5,210.38x = 7,190.47 × 2,852.52
  4. Step 4: Simplify right side
    5,210.38x = 20,510,936.09
  5. Step 5: Solve for x
    x = 20,510,936.09/5,210.38
  6. Step 6: Final answer
    x = 3,936.56

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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.