Home / 4,901.83-6,760.95-3,109.86

Finding the Fourth Proportional to 4,901.83, 6,760.95 and 3,109.86

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Solution

The fourth proportional to 4,901.83, 6,760.95 and 3,109.86 is: 4,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.83 : 6,760.95 = 3,109.86 : x
  2. Step 2: Convert to fraction form
    4,901.83/6,760.95 = 3,109.86/x
  3. Step 3: Cross multiply
    4,901.83x = 6,760.95 × 3,109.86
  4. Step 4: Simplify right side
    4,901.83x = 21,025,574.16
  5. Step 5: Solve for x
    x = 21,025,574.16/4,901.83
  6. Step 6: Final answer
    x = 4,289.33

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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.