Home / 2,311.02-3,465.90-667.14

Finding the Fourth Proportional to 2,311.02, 3,465.90 and 667.14

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Solution

The fourth proportional to 2,311.02, 3,465.90 and 667.14 is: 1,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.02 : 3,465.90 = 667.14 : x
  2. Step 2: Convert to fraction form
    2,311.02/3,465.90 = 667.14/x
  3. Step 3: Cross multiply
    2,311.02x = 3,465.90 × 667.14
  4. Step 4: Simplify right side
    2,311.02x = 2,312,240.53
  5. Step 5: Solve for x
    x = 2,312,240.53/2,311.02
  6. Step 6: Final answer
    x = 1,000.53

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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.