Home / 6,631.02-9,947.34-3,168

Finding the Fourth Proportional to 6,631.02, 9,947.34 and 3,168

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Solution

The fourth proportional to 6,631.02, 9,947.34 and 3,168 is: 4,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.02 : 9,947.34 = 3,168 : x
  2. Step 2: Convert to fraction form
    6,631.02/9,947.34 = 3,168/x
  3. Step 3: Cross multiply
    6,631.02x = 9,947.34 × 3,168
  4. Step 4: Simplify right side
    6,631.02x = 31,513,173.12
  5. Step 5: Solve for x
    x = 31,513,173.12/6,631.02
  6. Step 6: Final answer
    x = 4,752.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.