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Finding the Fourth Proportional to 2,670.37, 3,685.16 and 1,491.35

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Solution

The fourth proportional to 2,670.37, 3,685.16 and 1,491.35 is: 2,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.37 : 3,685.16 = 1,491.35 : x
  2. Step 2: Convert to fraction form
    2,670.37/3,685.16 = 1,491.35/x
  3. Step 3: Cross multiply
    2,670.37x = 3,685.16 × 1,491.35
  4. Step 4: Simplify right side
    2,670.37x = 5,495,848.67
  5. Step 5: Solve for x
    x = 5,495,848.67/2,670.37
  6. Step 6: Final answer
    x = 2,058.09

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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.