Home / 2,999.32-4,139.02-1,740.62

Finding the Fourth Proportional to 2,999.32, 4,139.02 and 1,740.62

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Solution

The fourth proportional to 2,999.32, 4,139.02 and 1,740.62 is: 2,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.32 : 4,139.02 = 1,740.62 : x
  2. Step 2: Convert to fraction form
    2,999.32/4,139.02 = 1,740.62/x
  3. Step 3: Cross multiply
    2,999.32x = 4,139.02 × 1,740.62
  4. Step 4: Simplify right side
    2,999.32x = 7,204,473.52
  5. Step 5: Solve for x
    x = 7,204,473.52/2,999.32
  6. Step 6: Final answer
    x = 2,402.04

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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.