Home / 2,918.67-4,027.80-1,592.40

Finding the Fourth Proportional to 2,918.67, 4,027.80 and 1,592.40

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Solution

The fourth proportional to 2,918.67, 4,027.80 and 1,592.40 is: 2,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.67 : 4,027.80 = 1,592.40 : x
  2. Step 2: Convert to fraction form
    2,918.67/4,027.80 = 1,592.40/x
  3. Step 3: Cross multiply
    2,918.67x = 4,027.80 × 1,592.40
  4. Step 4: Simplify right side
    2,918.67x = 6,413,868.72
  5. Step 5: Solve for x
    x = 6,413,868.72/2,918.67
  6. Step 6: Final answer
    x = 2,197.53

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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.