Home / 2,990.03-4,124.45-2,325.83

Finding the Fourth Proportional to 2,990.03, 4,124.45 and 2,325.83

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Solution

The fourth proportional to 2,990.03, 4,124.45 and 2,325.83 is: 3,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.03 : 4,124.45 = 2,325.83 : x
  2. Step 2: Convert to fraction form
    2,990.03/4,124.45 = 2,325.83/x
  3. Step 3: Cross multiply
    2,990.03x = 4,124.45 × 2,325.83
  4. Step 4: Simplify right side
    2,990.03x = 9,592,754.74
  5. Step 5: Solve for x
    x = 9,592,754.74/2,990.03
  6. Step 6: Final answer
    x = 3,208.25

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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.