Home / 3,688.93-5,536.59-1,911.19

Finding the Fourth Proportional to 3,688.93, 5,536.59 and 1,911.19

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Solution

The fourth proportional to 3,688.93, 5,536.59 and 1,911.19 is: 2,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.93 : 5,536.59 = 1,911.19 : x
  2. Step 2: Convert to fraction form
    3,688.93/5,536.59 = 1,911.19/x
  3. Step 3: Cross multiply
    3,688.93x = 5,536.59 × 1,911.19
  4. Step 4: Simplify right side
    3,688.93x = 10,581,475.44
  5. Step 5: Solve for x
    x = 10,581,475.44/3,688.93
  6. Step 6: Final answer
    x = 2,868.44

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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.