Home / 4,564.14-6,840.54-3,312.78

Finding the Fourth Proportional to 4,564.14, 6,840.54 and 3,312.78

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Solution

The fourth proportional to 4,564.14, 6,840.54 and 3,312.78 is: 4,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,564.14 : 6,840.54 = 3,312.78 : x
  2. Step 2: Convert to fraction form
    4,564.14/6,840.54 = 3,312.78/x
  3. Step 3: Cross multiply
    4,564.14x = 6,840.54 × 3,312.78
  4. Step 4: Simplify right side
    4,564.14x = 22,661,204.10
  5. Step 5: Solve for x
    x = 22,661,204.10/4,564.14
  6. Step 6: Final answer
    x = 4,965.05

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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.