Home / 1,374.09-1,896.08-849.93

Finding the Fourth Proportional to 1,374.09, 1,896.08 and 849.93

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Solution

The fourth proportional to 1,374.09, 1,896.08 and 849.93 is: 1,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.09 : 1,896.08 = 849.93 : x
  2. Step 2: Convert to fraction form
    1,374.09/1,896.08 = 849.93/x
  3. Step 3: Cross multiply
    1,374.09x = 1,896.08 × 849.93
  4. Step 4: Simplify right side
    1,374.09x = 1,611,531.02
  5. Step 5: Solve for x
    x = 1,611,531.02/1,374.09
  6. Step 6: Final answer
    x = 1,172.80

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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.