Home / 1,567.67-2,163.60-1,009.73

Finding the Fourth Proportional to 1,567.67, 2,163.60 and 1,009.73

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Solution

The fourth proportional to 1,567.67, 2,163.60 and 1,009.73 is: 1,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.67 : 2,163.60 = 1,009.73 : x
  2. Step 2: Convert to fraction form
    1,567.67/2,163.60 = 1,009.73/x
  3. Step 3: Cross multiply
    1,567.67x = 2,163.60 × 1,009.73
  4. Step 4: Simplify right side
    1,567.67x = 2,184,641.01
  5. Step 5: Solve for x
    x = 2,184,641.01/1,567.67
  6. Step 6: Final answer
    x = 1,393.56

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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.