Home / 5,299.79-7,313.40-3,061.76

Finding the Fourth Proportional to 5,299.79, 7,313.40 and 3,061.76

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Solution

The fourth proportional to 5,299.79, 7,313.40 and 3,061.76 is: 4,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.79 : 7,313.40 = 3,061.76 : x
  2. Step 2: Convert to fraction form
    5,299.79/7,313.40 = 3,061.76/x
  3. Step 3: Cross multiply
    5,299.79x = 7,313.40 × 3,061.76
  4. Step 4: Simplify right side
    5,299.79x = 22,391,839.02
  5. Step 5: Solve for x
    x = 22,391,839.02/5,299.79
  6. Step 6: Final answer
    x = 4,225.05

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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.