Home / 3,247.90-4,864.86-1,857.33

Finding the Fourth Proportional to 3,247.90, 4,864.86 and 1,857.33

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Solution

The fourth proportional to 3,247.90, 4,864.86 and 1,857.33 is: 2,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.90 : 4,864.86 = 1,857.33 : x
  2. Step 2: Convert to fraction form
    3,247.90/4,864.86 = 1,857.33/x
  3. Step 3: Cross multiply
    3,247.90x = 4,864.86 × 1,857.33
  4. Step 4: Simplify right side
    3,247.90x = 9,035,650.42
  5. Step 5: Solve for x
    x = 9,035,650.42/3,247.90
  6. Step 6: Final answer
    x = 2,782.00

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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.