Home / 4,929.72-6,800.90-2,833.40

Finding the Fourth Proportional to 4,929.72, 6,800.90 and 2,833.40

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Solution

The fourth proportional to 4,929.72, 6,800.90 and 2,833.40 is: 3,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.72 : 6,800.90 = 2,833.40 : x
  2. Step 2: Convert to fraction form
    4,929.72/6,800.90 = 2,833.40/x
  3. Step 3: Cross multiply
    4,929.72x = 6,800.90 × 2,833.40
  4. Step 4: Simplify right side
    4,929.72x = 19,269,670.06
  5. Step 5: Solve for x
    x = 19,269,670.06/4,929.72
  6. Step 6: Final answer
    x = 3,908.88

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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.