Home / 3,068.08-4,235.52-2,769.28

Finding the Fourth Proportional to 3,068.08, 4,235.52 and 2,769.28

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Solution

The fourth proportional to 3,068.08, 4,235.52 and 2,769.28 is: 3,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.08 : 4,235.52 = 2,769.28 : x
  2. Step 2: Convert to fraction form
    3,068.08/4,235.52 = 2,769.28/x
  3. Step 3: Cross multiply
    3,068.08x = 4,235.52 × 2,769.28
  4. Step 4: Simplify right side
    3,068.08x = 11,729,340.83
  5. Step 5: Solve for x
    x = 11,729,340.83/3,068.08
  6. Step 6: Final answer
    x = 3,823.02

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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.