Home / 2,914.47-4,022.09-1,655.53

Finding the Fourth Proportional to 2,914.47, 4,022.09 and 1,655.53

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Solution

The fourth proportional to 2,914.47, 4,022.09 and 1,655.53 is: 2,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.47 : 4,022.09 = 1,655.53 : x
  2. Step 2: Convert to fraction form
    2,914.47/4,022.09 = 1,655.53/x
  3. Step 3: Cross multiply
    2,914.47x = 4,022.09 × 1,655.53
  4. Step 4: Simplify right side
    2,914.47x = 6,658,690.66
  5. Step 5: Solve for x
    x = 6,658,690.66/2,914.47
  6. Step 6: Final answer
    x = 2,284.70

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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.