Home / 4,676.12-6,455.38-2,908.30

Finding the Fourth Proportional to 4,676.12, 6,455.38 and 2,908.30

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Solution

The fourth proportional to 4,676.12, 6,455.38 and 2,908.30 is: 4,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.12 : 6,455.38 = 2,908.30 : x
  2. Step 2: Convert to fraction form
    4,676.12/6,455.38 = 2,908.30/x
  3. Step 3: Cross multiply
    4,676.12x = 6,455.38 × 2,908.30
  4. Step 4: Simplify right side
    4,676.12x = 18,774,181.65
  5. Step 5: Solve for x
    x = 18,774,181.65/4,676.12
  6. Step 6: Final answer
    x = 4,014.91

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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.