Home / 1,567.33-2,159.16-1,318.66

Finding the Fourth Proportional to 1,567.33, 2,159.16 and 1,318.66

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Solution

The fourth proportional to 1,567.33, 2,159.16 and 1,318.66 is: 1,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.33 : 2,159.16 = 1,318.66 : x
  2. Step 2: Convert to fraction form
    1,567.33/2,159.16 = 1,318.66/x
  3. Step 3: Cross multiply
    1,567.33x = 2,159.16 × 1,318.66
  4. Step 4: Simplify right side
    1,567.33x = 2,847,187.58
  5. Step 5: Solve for x
    x = 2,847,187.58/1,567.33
  6. Step 6: Final answer
    x = 1,816.59

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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.