Home / 5,210.41-7,190.36-2,852.55

Finding the Fourth Proportional to 5,210.41, 7,190.36 and 2,852.55

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Solution

The fourth proportional to 5,210.41, 7,190.36 and 2,852.55 is: 3,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.41 : 7,190.36 = 2,852.55 : x
  2. Step 2: Convert to fraction form
    5,210.41/7,190.36 = 2,852.55/x
  3. Step 3: Cross multiply
    5,210.41x = 7,190.36 × 2,852.55
  4. Step 4: Simplify right side
    5,210.41x = 20,510,868.55
  5. Step 5: Solve for x
    x = 20,510,868.55/5,210.41
  6. Step 6: Final answer
    x = 3,936.52

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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.