Home / 4,955.30-6,838.31-2,859.83

Finding the Fourth Proportional to 4,955.30, 6,838.31 and 2,859.83

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Solution

The fourth proportional to 4,955.30, 6,838.31 and 2,859.83 is: 3,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.30 : 6,838.31 = 2,859.83 : x
  2. Step 2: Convert to fraction form
    4,955.30/6,838.31 = 2,859.83/x
  3. Step 3: Cross multiply
    4,955.30x = 6,838.31 × 2,859.83
  4. Step 4: Simplify right side
    4,955.30x = 19,556,391.96
  5. Step 5: Solve for x
    x = 19,556,391.96/4,955.30
  6. Step 6: Final answer
    x = 3,946.56

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1.5x scale

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.