Home / 5,913.60-8,160.72-3,261

Finding the Fourth Proportional to 5,913.60, 8,160.72 and 3,261

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Solution

The fourth proportional to 5,913.60, 8,160.72 and 3,261 is: 4,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.60 : 8,160.72 = 3,261 : x
  2. Step 2: Convert to fraction form
    5,913.60/8,160.72 = 3,261/x
  3. Step 3: Cross multiply
    5,913.60x = 8,160.72 × 3,261
  4. Step 4: Simplify right side
    5,913.60x = 26,612,107.92
  5. Step 5: Solve for x
    x = 26,612,107.92/5,913.60
  6. Step 6: Final answer
    x = 4,500.15

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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.