Home / 3,904.87-5,861.36-2,615.35

Finding the Fourth Proportional to 3,904.87, 5,861.36 and 2,615.35

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Solution

The fourth proportional to 3,904.87, 5,861.36 and 2,615.35 is: 3,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.87 : 5,861.36 = 2,615.35 : x
  2. Step 2: Convert to fraction form
    3,904.87/5,861.36 = 2,615.35/x
  3. Step 3: Cross multiply
    3,904.87x = 5,861.36 × 2,615.35
  4. Step 4: Simplify right side
    3,904.87x = 15,329,494.80
  5. Step 5: Solve for x
    x = 15,329,494.80/3,904.87
  6. Step 6: Final answer
    x = 3,925.74

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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.