Home / 5,210.29-7,190.22-2,852.56

Finding the Fourth Proportional to 5,210.29, 7,190.22 and 2,852.56

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Solution

The fourth proportional to 5,210.29, 7,190.22 and 2,852.56 is: 3,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.29 : 7,190.22 = 2,852.56 : x
  2. Step 2: Convert to fraction form
    5,210.29/7,190.22 = 2,852.56/x
  3. Step 3: Cross multiply
    5,210.29x = 7,190.22 × 2,852.56
  4. Step 4: Simplify right side
    5,210.29x = 20,510,533.96
  5. Step 5: Solve for x
    x = 20,510,533.96/5,210.29
  6. Step 6: Final answer
    x = 3,936.54

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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.