Home / 5,565.11-7,678.19-4,864.05

Finding the Fourth Proportional to 5,565.11, 7,678.19 and 4,864.05

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Solution

The fourth proportional to 5,565.11, 7,678.19 and 4,864.05 is: 6,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.11 : 7,678.19 = 4,864.05 : x
  2. Step 2: Convert to fraction form
    5,565.11/7,678.19 = 4,864.05/x
  3. Step 3: Cross multiply
    5,565.11x = 7,678.19 × 4,864.05
  4. Step 4: Simplify right side
    5,565.11x = 37,347,112.23
  5. Step 5: Solve for x
    x = 37,347,112.23/5,565.11
  6. Step 6: Final answer
    x = 6,710.94

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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.