Home / 3,105.02-4,653.72-1,459.36

Finding the Fourth Proportional to 3,105.02, 4,653.72 and 1,459.36

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Solution

The fourth proportional to 3,105.02, 4,653.72 and 1,459.36 is: 2,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.02 : 4,653.72 = 1,459.36 : x
  2. Step 2: Convert to fraction form
    3,105.02/4,653.72 = 1,459.36/x
  3. Step 3: Cross multiply
    3,105.02x = 4,653.72 × 1,459.36
  4. Step 4: Simplify right side
    3,105.02x = 6,791,452.82
  5. Step 5: Solve for x
    x = 6,791,452.82/3,105.02
  6. Step 6: Final answer
    x = 2,187.25

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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.