Home / 5,210.48-7,190.32-2,852.56

Finding the Fourth Proportional to 5,210.48, 7,190.32 and 2,852.56

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Solution

The fourth proportional to 5,210.48, 7,190.32 and 2,852.56 is: 3,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.48 : 7,190.32 = 2,852.56 : x
  2. Step 2: Convert to fraction form
    5,210.48/7,190.32 = 2,852.56/x
  3. Step 3: Cross multiply
    5,210.48x = 7,190.32 × 2,852.56
  4. Step 4: Simplify right side
    5,210.48x = 20,510,819.22
  5. Step 5: Solve for x
    x = 20,510,819.22/5,210.48
  6. Step 6: Final answer
    x = 3,936.45

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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.