Home / 4,129.04-6,192.86-1,355.77

Finding the Fourth Proportional to 4,129.04, 6,192.86 and 1,355.77

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Solution

The fourth proportional to 4,129.04, 6,192.86 and 1,355.77 is: 2,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.04 : 6,192.86 = 1,355.77 : x
  2. Step 2: Convert to fraction form
    4,129.04/6,192.86 = 1,355.77/x
  3. Step 3: Cross multiply
    4,129.04x = 6,192.86 × 1,355.77
  4. Step 4: Simplify right side
    4,129.04x = 8,396,081.70
  5. Step 5: Solve for x
    x = 8,396,081.70/4,129.04
  6. Step 6: Final answer
    x = 2,033.42

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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.