Home / 6,276.10-8,660.67-3,481.78

Finding the Fourth Proportional to 6,276.10, 8,660.67 and 3,481.78

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Solution

The fourth proportional to 6,276.10, 8,660.67 and 3,481.78 is: 4,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.10 : 8,660.67 = 3,481.78 : x
  2. Step 2: Convert to fraction form
    6,276.10/8,660.67 = 3,481.78/x
  3. Step 3: Cross multiply
    6,276.10x = 8,660.67 × 3,481.78
  4. Step 4: Simplify right side
    6,276.10x = 30,154,547.59
  5. Step 5: Solve for x
    x = 30,154,547.59/6,276.10
  6. Step 6: Final answer
    x = 4,804.66

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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.