Home / 2,738.02-3,776.49-1,898.76

Finding the Fourth Proportional to 2,738.02, 3,776.49 and 1,898.76

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Solution

The fourth proportional to 2,738.02, 3,776.49 and 1,898.76 is: 2,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.02 : 3,776.49 = 1,898.76 : x
  2. Step 2: Convert to fraction form
    2,738.02/3,776.49 = 1,898.76/x
  3. Step 3: Cross multiply
    2,738.02x = 3,776.49 × 1,898.76
  4. Step 4: Simplify right side
    2,738.02x = 7,170,648.15
  5. Step 5: Solve for x
    x = 7,170,648.15/2,738.02
  6. Step 6: Final answer
    x = 2,618.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.