Home / 2,868.90-4,292.47-1,699.53

Finding the Fourth Proportional to 2,868.90, 4,292.47 and 1,699.53

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Solution

The fourth proportional to 2,868.90, 4,292.47 and 1,699.53 is: 2,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.90 : 4,292.47 = 1,699.53 : x
  2. Step 2: Convert to fraction form
    2,868.90/4,292.47 = 1,699.53/x
  3. Step 3: Cross multiply
    2,868.90x = 4,292.47 × 1,699.53
  4. Step 4: Simplify right side
    2,868.90x = 7,295,181.54
  5. Step 5: Solve for x
    x = 7,295,181.54/2,868.90
  6. Step 6: Final answer
    x = 2,542.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.