Home / 5,302.11-7,322.36-3,973.71

Finding the Fourth Proportional to 5,302.11, 7,322.36 and 3,973.71

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Solution

The fourth proportional to 5,302.11, 7,322.36 and 3,973.71 is: 5,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.11 : 7,322.36 = 3,973.71 : x
  2. Step 2: Convert to fraction form
    5,302.11/7,322.36 = 3,973.71/x
  3. Step 3: Cross multiply
    5,302.11x = 7,322.36 × 3,973.71
  4. Step 4: Simplify right side
    5,302.11x = 29,096,915.29
  5. Step 5: Solve for x
    x = 29,096,915.29/5,302.11
  6. Step 6: Final answer
    x = 5,487.80

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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.