Home / 6,103.86-9,155.82-1,721.70

Finding the Fourth Proportional to 6,103.86, 9,155.82 and 1,721.70

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Solution

The fourth proportional to 6,103.86, 9,155.82 and 1,721.70 is: 2,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.86 : 9,155.82 = 1,721.70 : x
  2. Step 2: Convert to fraction form
    6,103.86/9,155.82 = 1,721.70/x
  3. Step 3: Cross multiply
    6,103.86x = 9,155.82 × 1,721.70
  4. Step 4: Simplify right side
    6,103.86x = 15,763,575.29
  5. Step 5: Solve for x
    x = 15,763,575.29/6,103.86
  6. Step 6: Final answer
    x = 2,582.56

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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.