Home / 5,302.74-7,313.72-3,885.90

Finding the Fourth Proportional to 5,302.74, 7,313.72 and 3,885.90

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Solution

The fourth proportional to 5,302.74, 7,313.72 and 3,885.90 is: 5,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.74 : 7,313.72 = 3,885.90 : x
  2. Step 2: Convert to fraction form
    5,302.74/7,313.72 = 3,885.90/x
  3. Step 3: Cross multiply
    5,302.74x = 7,313.72 × 3,885.90
  4. Step 4: Simplify right side
    5,302.74x = 28,420,384.55
  5. Step 5: Solve for x
    x = 28,420,384.55/5,302.74
  6. Step 6: Final answer
    x = 5,359.57

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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.