Home / 5,585.13-8,381.21-2,074.77

Finding the Fourth Proportional to 5,585.13, 8,381.21 and 2,074.77

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Solution

The fourth proportional to 5,585.13, 8,381.21 and 2,074.77 is: 3,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.13 : 8,381.21 = 2,074.77 : x
  2. Step 2: Convert to fraction form
    5,585.13/8,381.21 = 2,074.77/x
  3. Step 3: Cross multiply
    5,585.13x = 8,381.21 × 2,074.77
  4. Step 4: Simplify right side
    5,585.13x = 17,389,072.70
  5. Step 5: Solve for x
    x = 17,389,072.70/5,585.13
  6. Step 6: Final answer
    x = 3,113.46

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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.