Home / 4,986.24-7,474.56-1,865.40

Finding the Fourth Proportional to 4,986.24, 7,474.56 and 1,865.40

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Solution

The fourth proportional to 4,986.24, 7,474.56 and 1,865.40 is: 2,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.24 : 7,474.56 = 1,865.40 : x
  2. Step 2: Convert to fraction form
    4,986.24/7,474.56 = 1,865.40/x
  3. Step 3: Cross multiply
    4,986.24x = 7,474.56 × 1,865.40
  4. Step 4: Simplify right side
    4,986.24x = 13,943,044.22
  5. Step 5: Solve for x
    x = 13,943,044.22/4,986.24
  6. Step 6: Final answer
    x = 2,796.30

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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.