Home / 4,312.61-6,469.29-1,192.61

Finding the Fourth Proportional to 4,312.61, 6,469.29 and 1,192.61

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Solution

The fourth proportional to 4,312.61, 6,469.29 and 1,192.61 is: 1,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.61 : 6,469.29 = 1,192.61 : x
  2. Step 2: Convert to fraction form
    4,312.61/6,469.29 = 1,192.61/x
  3. Step 3: Cross multiply
    4,312.61x = 6,469.29 × 1,192.61
  4. Step 4: Simplify right side
    4,312.61x = 7,715,356.12
  5. Step 5: Solve for x
    x = 7,715,356.12/4,312.61
  6. Step 6: Final answer
    x = 1,789.02

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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.