Home / 4,727.42-7,088.36-2,775.50

Finding the Fourth Proportional to 4,727.42, 7,088.36 and 2,775.50

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Solution

The fourth proportional to 4,727.42, 7,088.36 and 2,775.50 is: 4,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.42 : 7,088.36 = 2,775.50 : x
  2. Step 2: Convert to fraction form
    4,727.42/7,088.36 = 2,775.50/x
  3. Step 3: Cross multiply
    4,727.42x = 7,088.36 × 2,775.50
  4. Step 4: Simplify right side
    4,727.42x = 19,673,743.18
  5. Step 5: Solve for x
    x = 19,673,743.18/4,727.42
  6. Step 6: Final answer
    x = 4,161.62

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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.