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Finding the Fourth Proportional to 5,141.70, 7,095.97 and 2,904.12

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Solution

The fourth proportional to 5,141.70, 7,095.97 and 2,904.12 is: 4,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.70 : 7,095.97 = 2,904.12 : x
  2. Step 2: Convert to fraction form
    5,141.70/7,095.97 = 2,904.12/x
  3. Step 3: Cross multiply
    5,141.70x = 7,095.97 × 2,904.12
  4. Step 4: Simplify right side
    5,141.70x = 20,607,548.40
  5. Step 5: Solve for x
    x = 20,607,548.40/5,141.70
  6. Step 6: Final answer
    x = 4,007.93

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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.