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Finding the Fourth Proportional to 4,605.40, 6,908.10 and 4,095.10

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Solution

The fourth proportional to 4,605.40, 6,908.10 and 4,095.10 is: 6,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.40 : 6,908.10 = 4,095.10 : x
  2. Step 2: Convert to fraction form
    4,605.40/6,908.10 = 4,095.10/x
  3. Step 3: Cross multiply
    4,605.40x = 6,908.10 × 4,095.10
  4. Step 4: Simplify right side
    4,605.40x = 28,289,360.31
  5. Step 5: Solve for x
    x = 28,289,360.31/4,605.40
  6. Step 6: Final answer
    x = 6,142.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.