Home / 4,622.70-6,931.52-3,163.50

Finding the Fourth Proportional to 4,622.70, 6,931.52 and 3,163.50

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Solution

The fourth proportional to 4,622.70, 6,931.52 and 3,163.50 is: 4,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.70 : 6,931.52 = 3,163.50 : x
  2. Step 2: Convert to fraction form
    4,622.70/6,931.52 = 3,163.50/x
  3. Step 3: Cross multiply
    4,622.70x = 6,931.52 × 3,163.50
  4. Step 4: Simplify right side
    4,622.70x = 21,927,863.52
  5. Step 5: Solve for x
    x = 21,927,863.52/4,622.70
  6. Step 6: Final answer
    x = 4,743.52

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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.