Home / 2,113.23-2,916-1,168.95

Finding the Fourth Proportional to 2,113.23, 2,916 and 1,168.95

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Solution

The fourth proportional to 2,113.23, 2,916 and 1,168.95 is: 1,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.23 : 2,916 = 1,168.95 : x
  2. Step 2: Convert to fraction form
    2,113.23/2,916 = 1,168.95/x
  3. Step 3: Cross multiply
    2,113.23x = 2,916 × 1,168.95
  4. Step 4: Simplify right side
    2,113.23x = 3,408,658.20
  5. Step 5: Solve for x
    x = 3,408,658.20/2,113.23
  6. Step 6: Final answer
    x = 1,613.01

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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.