Home / 2,053.15-2,828.68-1,914.64

Finding the Fourth Proportional to 2,053.15, 2,828.68 and 1,914.64

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Solution

The fourth proportional to 2,053.15, 2,828.68 and 1,914.64 is: 2,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.15 : 2,828.68 = 1,914.64 : x
  2. Step 2: Convert to fraction form
    2,053.15/2,828.68 = 1,914.64/x
  3. Step 3: Cross multiply
    2,053.15x = 2,828.68 × 1,914.64
  4. Step 4: Simplify right side
    2,053.15x = 5,415,909.80
  5. Step 5: Solve for x
    x = 5,415,909.80/2,053.15
  6. Step 6: Final answer
    x = 2,637.85

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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.