Home / 4,117.16-6,174.64-1,155.42

Finding the Fourth Proportional to 4,117.16, 6,174.64 and 1,155.42

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Solution

The fourth proportional to 4,117.16, 6,174.64 and 1,155.42 is: 1,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.16 : 6,174.64 = 1,155.42 : x
  2. Step 2: Convert to fraction form
    4,117.16/6,174.64 = 1,155.42/x
  3. Step 3: Cross multiply
    4,117.16x = 6,174.64 × 1,155.42
  4. Step 4: Simplify right side
    4,117.16x = 7,134,302.55
  5. Step 5: Solve for x
    x = 7,134,302.55/4,117.16
  6. Step 6: Final answer
    x = 1,732.82

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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.