Home / 1,914.18-2,643.96-1,727.58

Finding the Fourth Proportional to 1,914.18, 2,643.96 and 1,727.58

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Solution

The fourth proportional to 1,914.18, 2,643.96 and 1,727.58 is: 2,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.18 : 2,643.96 = 1,727.58 : x
  2. Step 2: Convert to fraction form
    1,914.18/2,643.96 = 1,727.58/x
  3. Step 3: Cross multiply
    1,914.18x = 2,643.96 × 1,727.58
  4. Step 4: Simplify right side
    1,914.18x = 4,567,652.42
  5. Step 5: Solve for x
    x = 4,567,652.42/1,914.18
  6. Step 6: Final answer
    x = 2,386.22

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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.