Home / 3,040.16-4,206.48-2,648.48

Finding the Fourth Proportional to 3,040.16, 4,206.48 and 2,648.48

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Solution

The fourth proportional to 3,040.16, 4,206.48 and 2,648.48 is: 3,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.16 : 4,206.48 = 2,648.48 : x
  2. Step 2: Convert to fraction form
    3,040.16/4,206.48 = 2,648.48/x
  3. Step 3: Cross multiply
    3,040.16x = 4,206.48 × 2,648.48
  4. Step 4: Simplify right side
    3,040.16x = 11,140,778.15
  5. Step 5: Solve for x
    x = 11,140,778.15/3,040.16
  6. Step 6: Final answer
    x = 3,664.54

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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.