Home / 6,472.05-8,928.63-4,080.14

Finding the Fourth Proportional to 6,472.05, 8,928.63 and 4,080.14

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Solution

The fourth proportional to 6,472.05, 8,928.63 and 4,080.14 is: 5,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.05 : 8,928.63 = 4,080.14 : x
  2. Step 2: Convert to fraction form
    6,472.05/8,928.63 = 4,080.14/x
  3. Step 3: Cross multiply
    6,472.05x = 8,928.63 × 4,080.14
  4. Step 4: Simplify right side
    6,472.05x = 36,430,049.25
  5. Step 5: Solve for x
    x = 36,430,049.25/6,472.05
  6. Step 6: Final answer
    x = 5,628.83

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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.