Home / 4,735.72-6,535.38-2,639.68

Finding the Fourth Proportional to 4,735.72, 6,535.38 and 2,639.68

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Solution

The fourth proportional to 4,735.72, 6,535.38 and 2,639.68 is: 3,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.72 : 6,535.38 = 2,639.68 : x
  2. Step 2: Convert to fraction form
    4,735.72/6,535.38 = 2,639.68/x
  3. Step 3: Cross multiply
    4,735.72x = 6,535.38 × 2,639.68
  4. Step 4: Simplify right side
    4,735.72x = 17,251,311.88
  5. Step 5: Solve for x
    x = 17,251,311.88/4,735.72
  6. Step 6: Final answer
    x = 3,642.81

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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.