Home / 3,254.16-4,491.36-1,857

Finding the Fourth Proportional to 3,254.16, 4,491.36 and 1,857

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Solution

The fourth proportional to 3,254.16, 4,491.36 and 1,857 is: 2,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.16 : 4,491.36 = 1,857 : x
  2. Step 2: Convert to fraction form
    3,254.16/4,491.36 = 1,857/x
  3. Step 3: Cross multiply
    3,254.16x = 4,491.36 × 1,857
  4. Step 4: Simplify right side
    3,254.16x = 8,340,455.52
  5. Step 5: Solve for x
    x = 8,340,455.52/3,254.16
  6. Step 6: Final answer
    x = 2,563.01

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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.