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Finding the Fourth Proportional to 5,671.80, 7,827.21 and 3,433.23

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Solution

The fourth proportional to 5,671.80, 7,827.21 and 3,433.23 is: 4,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.80 : 7,827.21 = 3,433.23 : x
  2. Step 2: Convert to fraction form
    5,671.80/7,827.21 = 3,433.23/x
  3. Step 3: Cross multiply
    5,671.80x = 7,827.21 × 3,433.23
  4. Step 4: Simplify right side
    5,671.80x = 26,872,612.19
  5. Step 5: Solve for x
    x = 26,872,612.19/5,671.80
  6. Step 6: Final answer
    x = 4,737.93

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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.