Home / 5,378.80-8,066.98-2,262.32

Finding the Fourth Proportional to 5,378.80, 8,066.98 and 2,262.32

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Solution

The fourth proportional to 5,378.80, 8,066.98 and 2,262.32 is: 3,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.80 : 8,066.98 = 2,262.32 : x
  2. Step 2: Convert to fraction form
    5,378.80/8,066.98 = 2,262.32/x
  3. Step 3: Cross multiply
    5,378.80x = 8,066.98 × 2,262.32
  4. Step 4: Simplify right side
    5,378.80x = 18,250,090.19
  5. Step 5: Solve for x
    x = 18,250,090.19/5,378.80
  6. Step 6: Final answer
    x = 3,392.97

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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.