Home / 6,879.24-9,492.57-3,854.48

Finding the Fourth Proportional to 6,879.24, 9,492.57 and 3,854.48

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Solution

The fourth proportional to 6,879.24, 9,492.57 and 3,854.48 is: 5,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.24 : 9,492.57 = 3,854.48 : x
  2. Step 2: Convert to fraction form
    6,879.24/9,492.57 = 3,854.48/x
  3. Step 3: Cross multiply
    6,879.24x = 9,492.57 × 3,854.48
  4. Step 4: Simplify right side
    6,879.24x = 36,588,921.21
  5. Step 5: Solve for x
    x = 36,588,921.21/6,879.24
  6. Step 6: Final answer
    x = 5,318.74

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1.5x scale

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.