Home / 3,115.53-4,670.51-1,166.36

Finding the Fourth Proportional to 3,115.53, 4,670.51 and 1,166.36

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Solution

The fourth proportional to 3,115.53, 4,670.51 and 1,166.36 is: 1,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.53 : 4,670.51 = 1,166.36 : x
  2. Step 2: Convert to fraction form
    3,115.53/4,670.51 = 1,166.36/x
  3. Step 3: Cross multiply
    3,115.53x = 4,670.51 × 1,166.36
  4. Step 4: Simplify right side
    3,115.53x = 5,447,466.86
  5. Step 5: Solve for x
    x = 5,447,466.86/3,115.53
  6. Step 6: Final answer
    x = 1,748.49

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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.