Home / 5,368.80-8,035.92-2,768.16

Finding the Fourth Proportional to 5,368.80, 8,035.92 and 2,768.16

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Solution

The fourth proportional to 5,368.80, 8,035.92 and 2,768.16 is: 4,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.80 : 8,035.92 = 2,768.16 : x
  2. Step 2: Convert to fraction form
    5,368.80/8,035.92 = 2,768.16/x
  3. Step 3: Cross multiply
    5,368.80x = 8,035.92 × 2,768.16
  4. Step 4: Simplify right side
    5,368.80x = 22,244,712.31
  5. Step 5: Solve for x
    x = 22,244,712.31/5,368.80
  6. Step 6: Final answer
    x = 4,143.33

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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.