Home / 4,622.40-6,379.92-3,050.64

Finding the Fourth Proportional to 4,622.40, 6,379.92 and 3,050.64

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Solution

The fourth proportional to 4,622.40, 6,379.92 and 3,050.64 is: 4,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.40 : 6,379.92 = 3,050.64 : x
  2. Step 2: Convert to fraction form
    4,622.40/6,379.92 = 3,050.64/x
  3. Step 3: Cross multiply
    4,622.40x = 6,379.92 × 3,050.64
  4. Step 4: Simplify right side
    4,622.40x = 19,462,839.15
  5. Step 5: Solve for x
    x = 19,462,839.15/4,622.40
  6. Step 6: Final answer
    x = 4,210.55

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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.