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Finding the Fourth Proportional to 3,754.86, 5,628.33 and 1,802.94

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Solution

The fourth proportional to 3,754.86, 5,628.33 and 1,802.94 is: 2,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.86 : 5,628.33 = 1,802.94 : x
  2. Step 2: Convert to fraction form
    3,754.86/5,628.33 = 1,802.94/x
  3. Step 3: Cross multiply
    3,754.86x = 5,628.33 × 1,802.94
  4. Step 4: Simplify right side
    3,754.86x = 10,147,541.29
  5. Step 5: Solve for x
    x = 10,147,541.29/3,754.86
  6. Step 6: Final answer
    x = 2,702.51

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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.