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Finding the Fourth Proportional to 5,752.05, 7,935.75 and 3,763.74

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Solution

The fourth proportional to 5,752.05, 7,935.75 and 3,763.74 is: 5,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.05 : 7,935.75 = 3,763.74 : x
  2. Step 2: Convert to fraction form
    5,752.05/7,935.75 = 3,763.74/x
  3. Step 3: Cross multiply
    5,752.05x = 7,935.75 × 3,763.74
  4. Step 4: Simplify right side
    5,752.05x = 29,868,099.71
  5. Step 5: Solve for x
    x = 29,868,099.71/5,752.05
  6. Step 6: Final answer
    x = 5,192.60

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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.