Home / 3,168.12-4,773.81-2,603.64

Finding the Fourth Proportional to 3,168.12, 4,773.81 and 2,603.64

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Solution

The fourth proportional to 3,168.12, 4,773.81 and 2,603.64 is: 3,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.12 : 4,773.81 = 2,603.64 : x
  2. Step 2: Convert to fraction form
    3,168.12/4,773.81 = 2,603.64/x
  3. Step 3: Cross multiply
    3,168.12x = 4,773.81 × 2,603.64
  4. Step 4: Simplify right side
    3,168.12x = 12,429,282.67
  5. Step 5: Solve for x
    x = 12,429,282.67/3,168.12
  6. Step 6: Final answer
    x = 3,923.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.