Home / 4,070.45-6,105.68-1,472.78

Finding the Fourth Proportional to 4,070.45, 6,105.68 and 1,472.78

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Solution

The fourth proportional to 4,070.45, 6,105.68 and 1,472.78 is: 2,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.45 : 6,105.68 = 1,472.78 : x
  2. Step 2: Convert to fraction form
    4,070.45/6,105.68 = 1,472.78/x
  3. Step 3: Cross multiply
    4,070.45x = 6,105.68 × 1,472.78
  4. Step 4: Simplify right side
    4,070.45x = 8,992,323.39
  5. Step 5: Solve for x
    x = 8,992,323.39/4,070.45
  6. Step 6: Final answer
    x = 2,209.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.