Home / 5,589.12-7,714.80-3,603.36

Finding the Fourth Proportional to 5,589.12, 7,714.80 and 3,603.36

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Solution

The fourth proportional to 5,589.12, 7,714.80 and 3,603.36 is: 4,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.12 : 7,714.80 = 3,603.36 : x
  2. Step 2: Convert to fraction form
    5,589.12/7,714.80 = 3,603.36/x
  3. Step 3: Cross multiply
    5,589.12x = 7,714.80 × 3,603.36
  4. Step 4: Simplify right side
    5,589.12x = 27,799,201.73
  5. Step 5: Solve for x
    x = 27,799,201.73/5,589.12
  6. Step 6: Final answer
    x = 4,973.81

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1.5x scale

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.