Home / 6,107.92-8,432.72-4,688.89

Finding the Fourth Proportional to 6,107.92, 8,432.72 and 4,688.89

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Solution

The fourth proportional to 6,107.92, 8,432.72 and 4,688.89 is: 6,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.92 : 8,432.72 = 4,688.89 : x
  2. Step 2: Convert to fraction form
    6,107.92/8,432.72 = 4,688.89/x
  3. Step 3: Cross multiply
    6,107.92x = 8,432.72 × 4,688.89
  4. Step 4: Simplify right side
    6,107.92x = 39,540,096.48
  5. Step 5: Solve for x
    x = 39,540,096.48/6,107.92
  6. Step 6: Final answer
    x = 6,473.58

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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.