Home / 5,368.86-8,054.40-2,081.94

Finding the Fourth Proportional to 5,368.86, 8,054.40 and 2,081.94

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Solution

The fourth proportional to 5,368.86, 8,054.40 and 2,081.94 is: 3,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.86 : 8,054.40 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    5,368.86/8,054.40 = 2,081.94/x
  3. Step 3: Cross multiply
    5,368.86x = 8,054.40 × 2,081.94
  4. Step 4: Simplify right side
    5,368.86x = 16,768,777.54
  5. Step 5: Solve for x
    x = 16,768,777.54/5,368.86
  6. Step 6: Final answer
    x = 3,123.34

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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.