Home / 2,425.25-3,636.21-1,126.01

Finding the Fourth Proportional to 2,425.25, 3,636.21 and 1,126.01

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Solution

The fourth proportional to 2,425.25, 3,636.21 and 1,126.01 is: 1,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.25 : 3,636.21 = 1,126.01 : x
  2. Step 2: Convert to fraction form
    2,425.25/3,636.21 = 1,126.01/x
  3. Step 3: Cross multiply
    2,425.25x = 3,636.21 × 1,126.01
  4. Step 4: Simplify right side
    2,425.25x = 4,094,408.82
  5. Step 5: Solve for x
    x = 4,094,408.82/2,425.25
  6. Step 6: Final answer
    x = 1,688.24

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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.