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Finding the Fourth Proportional to 5,246.24, 7,869.96 and 3,955.91

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Solution

The fourth proportional to 5,246.24, 7,869.96 and 3,955.91 is: 5,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.24 : 7,869.96 = 3,955.91 : x
  2. Step 2: Convert to fraction form
    5,246.24/7,869.96 = 3,955.91/x
  3. Step 3: Cross multiply
    5,246.24x = 7,869.96 × 3,955.91
  4. Step 4: Simplify right side
    5,246.24x = 31,132,814.11
  5. Step 5: Solve for x
    x = 31,132,814.11/5,246.24
  6. Step 6: Final answer
    x = 5,934.32

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1.5x scale

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.