Home / 4,078.24-6,116.70-1,155.86

Finding the Fourth Proportional to 4,078.24, 6,116.70 and 1,155.86

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Solution

The fourth proportional to 4,078.24, 6,116.70 and 1,155.86 is: 1,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.24 : 6,116.70 = 1,155.86 : x
  2. Step 2: Convert to fraction form
    4,078.24/6,116.70 = 1,155.86/x
  3. Step 3: Cross multiply
    4,078.24x = 6,116.70 × 1,155.86
  4. Step 4: Simplify right side
    4,078.24x = 7,070,048.86
  5. Step 5: Solve for x
    x = 7,070,048.86/4,078.24
  6. Step 6: Final answer
    x = 1,733.60

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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.