Home / 2,501.10-3,751.65-2,100.15

Finding the Fourth Proportional to 2,501.10, 3,751.65 and 2,100.15

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Solution

The fourth proportional to 2,501.10, 3,751.65 and 2,100.15 is: 3,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.10 : 3,751.65 = 2,100.15 : x
  2. Step 2: Convert to fraction form
    2,501.10/3,751.65 = 2,100.15/x
  3. Step 3: Cross multiply
    2,501.10x = 3,751.65 × 2,100.15
  4. Step 4: Simplify right side
    2,501.10x = 7,879,027.75
  5. Step 5: Solve for x
    x = 7,879,027.75/2,501.10
  6. Step 6: Final answer
    x = 3,150.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.