Home / 6,748.84-9,313.56-3,724

Finding the Fourth Proportional to 6,748.84, 9,313.56 and 3,724

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Solution

The fourth proportional to 6,748.84, 9,313.56 and 3,724 is: 5,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.84 : 9,313.56 = 3,724 : x
  2. Step 2: Convert to fraction form
    6,748.84/9,313.56 = 3,724/x
  3. Step 3: Cross multiply
    6,748.84x = 9,313.56 × 3,724
  4. Step 4: Simplify right side
    6,748.84x = 34,683,697.44
  5. Step 5: Solve for x
    x = 34,683,697.44/6,748.84
  6. Step 6: Final answer
    x = 5,139.21

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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.