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Finding the Fourth Proportional to 3,887.37, 5,828.99 and 1,695.06

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Solution

The fourth proportional to 3,887.37, 5,828.99 and 1,695.06 is: 2,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.37 : 5,828.99 = 1,695.06 : x
  2. Step 2: Convert to fraction form
    3,887.37/5,828.99 = 1,695.06/x
  3. Step 3: Cross multiply
    3,887.37x = 5,828.99 × 1,695.06
  4. Step 4: Simplify right side
    3,887.37x = 9,880,479.31
  5. Step 5: Solve for x
    x = 9,880,479.31/3,887.37
  6. Step 6: Final answer
    x = 2,541.69

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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.