Home / 4,722.30-6,513.79-2,832.60

Finding the Fourth Proportional to 4,722.30, 6,513.79 and 2,832.60

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Solution

The fourth proportional to 4,722.30, 6,513.79 and 2,832.60 is: 3,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.30 : 6,513.79 = 2,832.60 : x
  2. Step 2: Convert to fraction form
    4,722.30/6,513.79 = 2,832.60/x
  3. Step 3: Cross multiply
    4,722.30x = 6,513.79 × 2,832.60
  4. Step 4: Simplify right side
    4,722.30x = 18,450,961.55
  5. Step 5: Solve for x
    x = 18,450,961.55/4,722.30
  6. Step 6: Final answer
    x = 3,907.20

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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.