Home / 7,565.15-10,440.81-4,580.43

Finding the Fourth Proportional to 7,565.15, 10,440.81 and 4,580.43

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Solution

The fourth proportional to 7,565.15, 10,440.81 and 4,580.43 is: 6,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.15 : 10,440.81 = 4,580.43 : x
  2. Step 2: Convert to fraction form
    7,565.15/10,440.81 = 4,580.43/x
  3. Step 3: Cross multiply
    7,565.15x = 10,440.81 × 4,580.43
  4. Step 4: Simplify right side
    7,565.15x = 47,823,399.35
  5. Step 5: Solve for x
    x = 47,823,399.35/7,565.15
  6. Step 6: Final answer
    x = 6,321.54

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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.