Home / 4,955.32-7,432.89-1,668.39

Finding the Fourth Proportional to 4,955.32, 7,432.89 and 1,668.39

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Solution

The fourth proportional to 4,955.32, 7,432.89 and 1,668.39 is: 2,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.32 : 7,432.89 = 1,668.39 : x
  2. Step 2: Convert to fraction form
    4,955.32/7,432.89 = 1,668.39/x
  3. Step 3: Cross multiply
    4,955.32x = 7,432.89 × 1,668.39
  4. Step 4: Simplify right side
    4,955.32x = 12,400,959.35
  5. Step 5: Solve for x
    x = 12,400,959.35/4,955.32
  6. Step 6: Final answer
    x = 2,502.55

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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.