Home / 5,564.24-7,678.64-3,046.40

Finding the Fourth Proportional to 5,564.24, 7,678.64 and 3,046.40

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Solution

The fourth proportional to 5,564.24, 7,678.64 and 3,046.40 is: 4,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.24 : 7,678.64 = 3,046.40 : x
  2. Step 2: Convert to fraction form
    5,564.24/7,678.64 = 3,046.40/x
  3. Step 3: Cross multiply
    5,564.24x = 7,678.64 × 3,046.40
  4. Step 4: Simplify right side
    5,564.24x = 23,392,193.66
  5. Step 5: Solve for x
    x = 23,392,193.66/5,564.24
  6. Step 6: Final answer
    x = 4,204.02

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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.