Home / 4,974.32-7,447.08-3,746.90

Finding the Fourth Proportional to 4,974.32, 7,447.08 and 3,746.90

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Solution

The fourth proportional to 4,974.32, 7,447.08 and 3,746.90 is: 5,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.32 : 7,447.08 = 3,746.90 : x
  2. Step 2: Convert to fraction form
    4,974.32/7,447.08 = 3,746.90/x
  3. Step 3: Cross multiply
    4,974.32x = 7,447.08 × 3,746.90
  4. Step 4: Simplify right side
    4,974.32x = 27,903,464.05
  5. Step 5: Solve for x
    x = 27,903,464.05/4,974.32
  6. Step 6: Final answer
    x = 5,609.50

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1.5x scale

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.