Home / 4,712.78-6,501.77-2,722.97

Finding the Fourth Proportional to 4,712.78, 6,501.77 and 2,722.97

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Solution

The fourth proportional to 4,712.78, 6,501.77 and 2,722.97 is: 3,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.78 : 6,501.77 = 2,722.97 : x
  2. Step 2: Convert to fraction form
    4,712.78/6,501.77 = 2,722.97/x
  3. Step 3: Cross multiply
    4,712.78x = 6,501.77 × 2,722.97
  4. Step 4: Simplify right side
    4,712.78x = 17,704,131.46
  5. Step 5: Solve for x
    x = 17,704,131.46/4,712.78
  6. Step 6: Final answer
    x = 3,756.62

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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.