Home / 2,107.40-2,908.35-1,548.11

Finding the Fourth Proportional to 2,107.40, 2,908.35 and 1,548.11

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Solution

The fourth proportional to 2,107.40, 2,908.35 and 1,548.11 is: 2,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.40 : 2,908.35 = 1,548.11 : x
  2. Step 2: Convert to fraction form
    2,107.40/2,908.35 = 1,548.11/x
  3. Step 3: Cross multiply
    2,107.40x = 2,908.35 × 1,548.11
  4. Step 4: Simplify right side
    2,107.40x = 4,502,445.72
  5. Step 5: Solve for x
    x = 4,502,445.72/2,107.40
  6. Step 6: Final answer
    x = 2,136.49

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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.