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Finding the Fourth Proportional to 2,710, 3,739.80 and 1,468

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Solution

The fourth proportional to 2,710, 3,739.80 and 1,468 is: 2,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710 : 3,739.80 = 1,468 : x
  2. Step 2: Convert to fraction form
    2,710/3,739.80 = 1,468/x
  3. Step 3: Cross multiply
    2,710x = 3,739.80 × 1,468
  4. Step 4: Simplify right side
    2,710x = 5,490,026.40
  5. Step 5: Solve for x
    x = 5,490,026.40/2,710
  6. Step 6: Final answer
    x = 2,025.84

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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.