Home / 2,999.09-4,137.02-1,803.25

Finding the Fourth Proportional to 2,999.09, 4,137.02 and 1,803.25

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Solution

The fourth proportional to 2,999.09, 4,137.02 and 1,803.25 is: 2,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.09 : 4,137.02 = 1,803.25 : x
  2. Step 2: Convert to fraction form
    2,999.09/4,137.02 = 1,803.25/x
  3. Step 3: Cross multiply
    2,999.09x = 4,137.02 × 1,803.25
  4. Step 4: Simplify right side
    2,999.09x = 7,460,077.15
  5. Step 5: Solve for x
    x = 7,460,077.15/2,999.09
  6. Step 6: Final answer
    x = 2,487.44

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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.