Home / 7,565.22-10,439.89-4,207.91

Finding the Fourth Proportional to 7,565.22, 10,439.89 and 4,207.91

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Solution

The fourth proportional to 7,565.22, 10,439.89 and 4,207.91 is: 5,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.22 : 10,439.89 = 4,207.91 : x
  2. Step 2: Convert to fraction form
    7,565.22/10,439.89 = 4,207.91/x
  3. Step 3: Cross multiply
    7,565.22x = 10,439.89 × 4,207.91
  4. Step 4: Simplify right side
    7,565.22x = 43,930,054.81
  5. Step 5: Solve for x
    x = 43,930,054.81/7,565.22
  6. Step 6: Final answer
    x = 5,806.84

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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.