Home / 5,681.58-7,841.72-3,291.94

Finding the Fourth Proportional to 5,681.58, 7,841.72 and 3,291.94

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Solution

The fourth proportional to 5,681.58, 7,841.72 and 3,291.94 is: 4,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.58 : 7,841.72 = 3,291.94 : x
  2. Step 2: Convert to fraction form
    5,681.58/7,841.72 = 3,291.94/x
  3. Step 3: Cross multiply
    5,681.58x = 7,841.72 × 3,291.94
  4. Step 4: Simplify right side
    5,681.58x = 25,814,471.74
  5. Step 5: Solve for x
    x = 25,814,471.74/5,681.58
  6. Step 6: Final answer
    x = 4,543.54

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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.