Home / 5,688.27-7,841.12-4,491.09

Finding the Fourth Proportional to 5,688.27, 7,841.12 and 4,491.09

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Solution

The fourth proportional to 5,688.27, 7,841.12 and 4,491.09 is: 6,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.27 : 7,841.12 = 4,491.09 : x
  2. Step 2: Convert to fraction form
    5,688.27/7,841.12 = 4,491.09/x
  3. Step 3: Cross multiply
    5,688.27x = 7,841.12 × 4,491.09
  4. Step 4: Simplify right side
    5,688.27x = 35,215,153.17
  5. Step 5: Solve for x
    x = 35,215,153.17/5,688.27
  6. Step 6: Final answer
    x = 6,190.84

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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.