Home / 4,210.46-5,812.39-2,999.92

Finding the Fourth Proportional to 4,210.46, 5,812.39 and 2,999.92

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Solution

The fourth proportional to 4,210.46, 5,812.39 and 2,999.92 is: 4,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.46 : 5,812.39 = 2,999.92 : x
  2. Step 2: Convert to fraction form
    4,210.46/5,812.39 = 2,999.92/x
  3. Step 3: Cross multiply
    4,210.46x = 5,812.39 × 2,999.92
  4. Step 4: Simplify right side
    4,210.46x = 17,436,705.01
  5. Step 5: Solve for x
    x = 17,436,705.01/4,210.46
  6. Step 6: Final answer
    x = 4,141.28

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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.