Home / 3,993.36-5,507.90-2,646.53

Finding the Fourth Proportional to 3,993.36, 5,507.90 and 2,646.53

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Solution

The fourth proportional to 3,993.36, 5,507.90 and 2,646.53 is: 3,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.36 : 5,507.90 = 2,646.53 : x
  2. Step 2: Convert to fraction form
    3,993.36/5,507.90 = 2,646.53/x
  3. Step 3: Cross multiply
    3,993.36x = 5,507.90 × 2,646.53
  4. Step 4: Simplify right side
    3,993.36x = 14,576,812.39
  5. Step 5: Solve for x
    x = 14,576,812.39/3,993.36
  6. Step 6: Final answer
    x = 3,650.27

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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.