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Finding the Fourth Proportional to 5,913.44, 8,160.88 and 3,395.54

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Solution

The fourth proportional to 5,913.44, 8,160.88 and 3,395.54 is: 4,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.44 : 8,160.88 = 3,395.54 : x
  2. Step 2: Convert to fraction form
    5,913.44/8,160.88 = 3,395.54/x
  3. Step 3: Cross multiply
    5,913.44x = 8,160.88 × 3,395.54
  4. Step 4: Simplify right side
    5,913.44x = 27,710,594.48
  5. Step 5: Solve for x
    x = 27,710,594.48/5,913.44
  6. Step 6: Final answer
    x = 4,686.04

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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.