Home / 2,503.26-3,756.24-2,111.40

Finding the Fourth Proportional to 2,503.26, 3,756.24 and 2,111.40

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Solution

The fourth proportional to 2,503.26, 3,756.24 and 2,111.40 is: 3,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.26 : 3,756.24 = 2,111.40 : x
  2. Step 2: Convert to fraction form
    2,503.26/3,756.24 = 2,111.40/x
  3. Step 3: Cross multiply
    2,503.26x = 3,756.24 × 2,111.40
  4. Step 4: Simplify right side
    2,503.26x = 7,930,925.14
  5. Step 5: Solve for x
    x = 7,930,925.14/2,503.26
  6. Step 6: Final answer
    x = 3,168.24

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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.