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Finding the Fourth Proportional to 5,904.68, 8,854.29 and 3,440.21

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Solution

The fourth proportional to 5,904.68, 8,854.29 and 3,440.21 is: 5,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.68 : 8,854.29 = 3,440.21 : x
  2. Step 2: Convert to fraction form
    5,904.68/8,854.29 = 3,440.21/x
  3. Step 3: Cross multiply
    5,904.68x = 8,854.29 × 3,440.21
  4. Step 4: Simplify right side
    5,904.68x = 30,460,572.73
  5. Step 5: Solve for x
    x = 30,460,572.73/5,904.68
  6. Step 6: Final answer
    x = 5,158.72

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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.