Home / 6,437.36-8,880.71-4,198.73

Finding the Fourth Proportional to 6,437.36, 8,880.71 and 4,198.73

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Solution

The fourth proportional to 6,437.36, 8,880.71 and 4,198.73 is: 5,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.36 : 8,880.71 = 4,198.73 : x
  2. Step 2: Convert to fraction form
    6,437.36/8,880.71 = 4,198.73/x
  3. Step 3: Cross multiply
    6,437.36x = 8,880.71 × 4,198.73
  4. Step 4: Simplify right side
    6,437.36x = 37,287,638.10
  5. Step 5: Solve for x
    x = 37,287,638.10/6,437.36
  6. Step 6: Final answer
    x = 5,792.38

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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.