Home / 1,595.25-2,392.87-869.44

Finding the Fourth Proportional to 1,595.25, 2,392.87 and 869.44

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Solution

The fourth proportional to 1,595.25, 2,392.87 and 869.44 is: 1,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.25 : 2,392.87 = 869.44 : x
  2. Step 2: Convert to fraction form
    1,595.25/2,392.87 = 869.44/x
  3. Step 3: Cross multiply
    1,595.25x = 2,392.87 × 869.44
  4. Step 4: Simplify right side
    1,595.25x = 2,080,448.74
  5. Step 5: Solve for x
    x = 2,080,448.74/1,595.25
  6. Step 6: Final answer
    x = 1,304.15

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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.