Home / 4,650.19-6,969.35-2,179.56

Finding the Fourth Proportional to 4,650.19, 6,969.35 and 2,179.56

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Solution

The fourth proportional to 4,650.19, 6,969.35 and 2,179.56 is: 3,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.19 : 6,969.35 = 2,179.56 : x
  2. Step 2: Convert to fraction form
    4,650.19/6,969.35 = 2,179.56/x
  3. Step 3: Cross multiply
    4,650.19x = 6,969.35 × 2,179.56
  4. Step 4: Simplify right side
    4,650.19x = 15,190,139.90
  5. Step 5: Solve for x
    x = 15,190,139.90/4,650.19
  6. Step 6: Final answer
    x = 3,266.57

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1.5x scale

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.