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Finding the Fourth Proportional to 3,210.76, 4,793.07 and 3,068.92

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Solution

The fourth proportional to 3,210.76, 4,793.07 and 3,068.92 is: 4,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.76 : 4,793.07 = 3,068.92 : x
  2. Step 2: Convert to fraction form
    3,210.76/4,793.07 = 3,068.92/x
  3. Step 3: Cross multiply
    3,210.76x = 4,793.07 × 3,068.92
  4. Step 4: Simplify right side
    3,210.76x = 14,709,548.38
  5. Step 5: Solve for x
    x = 14,709,548.38/3,210.76
  6. Step 6: Final answer
    x = 4,581.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.