Home / 4,901.86-6,765.15-2,806.66

Finding the Fourth Proportional to 4,901.86, 6,765.15 and 2,806.66

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Solution

The fourth proportional to 4,901.86, 6,765.15 and 2,806.66 is: 3,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.86 : 6,765.15 = 2,806.66 : x
  2. Step 2: Convert to fraction form
    4,901.86/6,765.15 = 2,806.66/x
  3. Step 3: Cross multiply
    4,901.86x = 6,765.15 × 2,806.66
  4. Step 4: Simplify right side
    4,901.86x = 18,987,475.90
  5. Step 5: Solve for x
    x = 18,987,475.90/4,901.86
  6. Step 6: Final answer
    x = 3,873.52

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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.