Home / 4,985.02-7,476.84-2,644

Finding the Fourth Proportional to 4,985.02, 7,476.84 and 2,644

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Solution

The fourth proportional to 4,985.02, 7,476.84 and 2,644 is: 3,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.02 : 7,476.84 = 2,644 : x
  2. Step 2: Convert to fraction form
    4,985.02/7,476.84 = 2,644/x
  3. Step 3: Cross multiply
    4,985.02x = 7,476.84 × 2,644
  4. Step 4: Simplify right side
    4,985.02x = 19,768,764.96
  5. Step 5: Solve for x
    x = 19,768,764.96/4,985.02
  6. Step 6: Final answer
    x = 3,965.63

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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.