Home / 2,914.61-4,022.11-1,655.92

Finding the Fourth Proportional to 2,914.61, 4,022.11 and 1,655.92

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Solution

The fourth proportional to 2,914.61, 4,022.11 and 1,655.92 is: 2,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.61 : 4,022.11 = 1,655.92 : x
  2. Step 2: Convert to fraction form
    2,914.61/4,022.11 = 1,655.92/x
  3. Step 3: Cross multiply
    2,914.61x = 4,022.11 × 1,655.92
  4. Step 4: Simplify right side
    2,914.61x = 6,660,278.20
  5. Step 5: Solve for x
    x = 6,660,278.20/2,914.61
  6. Step 6: Final answer
    x = 2,285.13

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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.