Home / 5,384.67-7,430.80-3,026.81

Finding the Fourth Proportional to 5,384.67, 7,430.80 and 3,026.81

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Solution

The fourth proportional to 5,384.67, 7,430.80 and 3,026.81 is: 4,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.67 : 7,430.80 = 3,026.81 : x
  2. Step 2: Convert to fraction form
    5,384.67/7,430.80 = 3,026.81/x
  3. Step 3: Cross multiply
    5,384.67x = 7,430.80 × 3,026.81
  4. Step 4: Simplify right side
    5,384.67x = 22,491,619.75
  5. Step 5: Solve for x
    x = 22,491,619.75/5,384.67
  6. Step 6: Final answer
    x = 4,176.97

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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.