Home / 5,461.45-7,539.66-3,678.31

Finding the Fourth Proportional to 5,461.45, 7,539.66 and 3,678.31

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Solution

The fourth proportional to 5,461.45, 7,539.66 and 3,678.31 is: 5,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.45 : 7,539.66 = 3,678.31 : x
  2. Step 2: Convert to fraction form
    5,461.45/7,539.66 = 3,678.31/x
  3. Step 3: Cross multiply
    5,461.45x = 7,539.66 × 3,678.31
  4. Step 4: Simplify right side
    5,461.45x = 27,733,206.77
  5. Step 5: Solve for x
    x = 27,733,206.77/5,461.45
  6. Step 6: Final answer
    x = 5,077.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.