Home / 4,676.09-6,979.88-4,122.52

Finding the Fourth Proportional to 4,676.09, 6,979.88 and 4,122.52

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Solution

The fourth proportional to 4,676.09, 6,979.88 and 4,122.52 is: 6,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.09 : 6,979.88 = 4,122.52 : x
  2. Step 2: Convert to fraction form
    4,676.09/6,979.88 = 4,122.52/x
  3. Step 3: Cross multiply
    4,676.09x = 6,979.88 × 4,122.52
  4. Step 4: Simplify right side
    4,676.09x = 28,774,687.75
  5. Step 5: Solve for x
    x = 28,774,687.75/4,676.09
  6. Step 6: Final answer
    x = 6,153.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.