Home / 2,850.24-4,275.60-1,681.98

Finding the Fourth Proportional to 2,850.24, 4,275.60 and 1,681.98

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Solution

The fourth proportional to 2,850.24, 4,275.60 and 1,681.98 is: 2,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.24 : 4,275.60 = 1,681.98 : x
  2. Step 2: Convert to fraction form
    2,850.24/4,275.60 = 1,681.98/x
  3. Step 3: Cross multiply
    2,850.24x = 4,275.60 × 1,681.98
  4. Step 4: Simplify right side
    2,850.24x = 7,191,473.69
  5. Step 5: Solve for x
    x = 7,191,473.69/2,850.24
  6. Step 6: Final answer
    x = 2,523.11

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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.