Home / 6,272.46-8,655.86-3,439.76

Finding the Fourth Proportional to 6,272.46, 8,655.86 and 3,439.76

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Solution

The fourth proportional to 6,272.46, 8,655.86 and 3,439.76 is: 4,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.46 : 8,655.86 = 3,439.76 : x
  2. Step 2: Convert to fraction form
    6,272.46/8,655.86 = 3,439.76/x
  3. Step 3: Cross multiply
    6,272.46x = 8,655.86 × 3,439.76
  4. Step 4: Simplify right side
    6,272.46x = 29,774,080.99
  5. Step 5: Solve for x
    x = 29,774,080.99/6,272.46
  6. Step 6: Final answer
    x = 4,746.79

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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.