Home / 4,188.50-5,780.30-2,509.57

Finding the Fourth Proportional to 4,188.50, 5,780.30 and 2,509.57

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Solution

The fourth proportional to 4,188.50, 5,780.30 and 2,509.57 is: 3,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.50 : 5,780.30 = 2,509.57 : x
  2. Step 2: Convert to fraction form
    4,188.50/5,780.30 = 2,509.57/x
  3. Step 3: Cross multiply
    4,188.50x = 5,780.30 × 2,509.57
  4. Step 4: Simplify right side
    4,188.50x = 14,506,067.47
  5. Step 5: Solve for x
    x = 14,506,067.47/4,188.50
  6. Step 6: Final answer
    x = 3,463.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.