Home / 4,247.91-6,368.36-1,874.30

Finding the Fourth Proportional to 4,247.91, 6,368.36 and 1,874.30

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Solution

The fourth proportional to 4,247.91, 6,368.36 and 1,874.30 is: 2,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.91 : 6,368.36 = 1,874.30 : x
  2. Step 2: Convert to fraction form
    4,247.91/6,368.36 = 1,874.30/x
  3. Step 3: Cross multiply
    4,247.91x = 6,368.36 × 1,874.30
  4. Step 4: Simplify right side
    4,247.91x = 11,936,204.71
  5. Step 5: Solve for x
    x = 11,936,204.71/4,247.91
  6. Step 6: Final answer
    x = 2,809.90

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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.