Home / 5,727.84-7,906.32-3,491.16

Finding the Fourth Proportional to 5,727.84, 7,906.32 and 3,491.16

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Solution

The fourth proportional to 5,727.84, 7,906.32 and 3,491.16 is: 4,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.84 : 7,906.32 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    5,727.84/7,906.32 = 3,491.16/x
  3. Step 3: Cross multiply
    5,727.84x = 7,906.32 × 3,491.16
  4. Step 4: Simplify right side
    5,727.84x = 27,602,228.13
  5. Step 5: Solve for x
    x = 27,602,228.13/5,727.84
  6. Step 6: Final answer
    x = 4,818.96

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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.