Home / 3,507.80-4,837.32-2,668.52

Finding the Fourth Proportional to 3,507.80, 4,837.32 and 2,668.52

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Solution

The fourth proportional to 3,507.80, 4,837.32 and 2,668.52 is: 3,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.80 : 4,837.32 = 2,668.52 : x
  2. Step 2: Convert to fraction form
    3,507.80/4,837.32 = 2,668.52/x
  3. Step 3: Cross multiply
    3,507.80x = 4,837.32 × 2,668.52
  4. Step 4: Simplify right side
    3,507.80x = 12,908,485.17
  5. Step 5: Solve for x
    x = 12,908,485.17/3,507.80
  6. Step 6: Final answer
    x = 3,679.94

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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.