Home / 3,316.53-4,973.68-1,672.03

Finding the Fourth Proportional to 3,316.53, 4,973.68 and 1,672.03

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Solution

The fourth proportional to 3,316.53, 4,973.68 and 1,672.03 is: 2,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.53 : 4,973.68 = 1,672.03 : x
  2. Step 2: Convert to fraction form
    3,316.53/4,973.68 = 1,672.03/x
  3. Step 3: Cross multiply
    3,316.53x = 4,973.68 × 1,672.03
  4. Step 4: Simplify right side
    3,316.53x = 8,316,142.17
  5. Step 5: Solve for x
    x = 8,316,142.17/3,316.53
  6. Step 6: Final answer
    x = 2,507.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.