Home / 2,990.58-4,127.93-2,046.01

Finding the Fourth Proportional to 2,990.58, 4,127.93 and 2,046.01

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Solution

The fourth proportional to 2,990.58, 4,127.93 and 2,046.01 is: 2,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.58 : 4,127.93 = 2,046.01 : x
  2. Step 2: Convert to fraction form
    2,990.58/4,127.93 = 2,046.01/x
  3. Step 3: Cross multiply
    2,990.58x = 4,127.93 × 2,046.01
  4. Step 4: Simplify right side
    2,990.58x = 8,445,791.26
  5. Step 5: Solve for x
    x = 8,445,791.26/2,990.58
  6. Step 6: Final answer
    x = 2,824.13

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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.