Home / 3,167.34-4,751.12-1,087.53

Finding the Fourth Proportional to 3,167.34, 4,751.12 and 1,087.53

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Solution

The fourth proportional to 3,167.34, 4,751.12 and 1,087.53 is: 1,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.34 : 4,751.12 = 1,087.53 : x
  2. Step 2: Convert to fraction form
    3,167.34/4,751.12 = 1,087.53/x
  3. Step 3: Cross multiply
    3,167.34x = 4,751.12 × 1,087.53
  4. Step 4: Simplify right side
    3,167.34x = 5,166,985.53
  5. Step 5: Solve for x
    x = 5,166,985.53/3,167.34
  6. Step 6: Final answer
    x = 1,631.33

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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.