Home / 1,516.15-2,093.33-1,161.45

Finding the Fourth Proportional to 1,516.15, 2,093.33 and 1,161.45

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Solution

The fourth proportional to 1,516.15, 2,093.33 and 1,161.45 is: 1,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.15 : 2,093.33 = 1,161.45 : x
  2. Step 2: Convert to fraction form
    1,516.15/2,093.33 = 1,161.45/x
  3. Step 3: Cross multiply
    1,516.15x = 2,093.33 × 1,161.45
  4. Step 4: Simplify right side
    1,516.15x = 2,431,298.13
  5. Step 5: Solve for x
    x = 2,431,298.13/1,516.15
  6. Step 6: Final answer
    x = 1,603.60

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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.