Home / 2,149.64-3,225.06-1,110.02

Finding the Fourth Proportional to 2,149.64, 3,225.06 and 1,110.02

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Solution

The fourth proportional to 2,149.64, 3,225.06 and 1,110.02 is: 1,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.64 : 3,225.06 = 1,110.02 : x
  2. Step 2: Convert to fraction form
    2,149.64/3,225.06 = 1,110.02/x
  3. Step 3: Cross multiply
    2,149.64x = 3,225.06 × 1,110.02
  4. Step 4: Simplify right side
    2,149.64x = 3,579,881.10
  5. Step 5: Solve for x
    x = 3,579,881.10/2,149.64
  6. Step 6: Final answer
    x = 1,665.34

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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.