Home / 3,125.22-4,684.86-1,176

Finding the Fourth Proportional to 3,125.22, 4,684.86 and 1,176

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Solution

The fourth proportional to 3,125.22, 4,684.86 and 1,176 is: 1,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.22 : 4,684.86 = 1,176 : x
  2. Step 2: Convert to fraction form
    3,125.22/4,684.86 = 1,176/x
  3. Step 3: Cross multiply
    3,125.22x = 4,684.86 × 1,176
  4. Step 4: Simplify right side
    3,125.22x = 5,509,395.36
  5. Step 5: Solve for x
    x = 5,509,395.36/3,125.22
  6. Step 6: Final answer
    x = 1,762.88

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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.