Home / 5,951.13-8,199.23-4,990.07

Finding the Fourth Proportional to 5,951.13, 8,199.23 and 4,990.07

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Solution

The fourth proportional to 5,951.13, 8,199.23 and 4,990.07 is: 6,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,951.13 : 8,199.23 = 4,990.07 : x
  2. Step 2: Convert to fraction form
    5,951.13/8,199.23 = 4,990.07/x
  3. Step 3: Cross multiply
    5,951.13x = 8,199.23 × 4,990.07
  4. Step 4: Simplify right side
    5,951.13x = 40,914,665.70
  5. Step 5: Solve for x
    x = 40,914,665.70/5,951.13
  6. Step 6: Final answer
    x = 6,875.11

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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.