Home / 2,998.13-4,137.95-1,880.03

Finding the Fourth Proportional to 2,998.13, 4,137.95 and 1,880.03

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Solution

The fourth proportional to 2,998.13, 4,137.95 and 1,880.03 is: 2,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.13 : 4,137.95 = 1,880.03 : x
  2. Step 2: Convert to fraction form
    2,998.13/4,137.95 = 1,880.03/x
  3. Step 3: Cross multiply
    2,998.13x = 4,137.95 × 1,880.03
  4. Step 4: Simplify right side
    2,998.13x = 7,779,440.05
  5. Step 5: Solve for x
    x = 7,779,440.05/2,998.13
  6. Step 6: Final answer
    x = 2,594.77

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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.