Home / 3,106.02-4,656.15-1,643.94

Finding the Fourth Proportional to 3,106.02, 4,656.15 and 1,643.94

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Solution

The fourth proportional to 3,106.02, 4,656.15 and 1,643.94 is: 2,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.02 : 4,656.15 = 1,643.94 : x
  2. Step 2: Convert to fraction form
    3,106.02/4,656.15 = 1,643.94/x
  3. Step 3: Cross multiply
    3,106.02x = 4,656.15 × 1,643.94
  4. Step 4: Simplify right side
    3,106.02x = 7,654,431.23
  5. Step 5: Solve for x
    x = 7,654,431.23/3,106.02
  6. Step 6: Final answer
    x = 2,464.39

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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.