Home / 4,913.20-6,784.32-3,732.76

Finding the Fourth Proportional to 4,913.20, 6,784.32 and 3,732.76

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Solution

The fourth proportional to 4,913.20, 6,784.32 and 3,732.76 is: 5,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.20 : 6,784.32 = 3,732.76 : x
  2. Step 2: Convert to fraction form
    4,913.20/6,784.32 = 3,732.76/x
  3. Step 3: Cross multiply
    4,913.20x = 6,784.32 × 3,732.76
  4. Step 4: Simplify right side
    4,913.20x = 25,324,238.32
  5. Step 5: Solve for x
    x = 25,324,238.32/4,913.20
  6. Step 6: Final answer
    x = 5,154.33

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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.