Home / 2,424.21-3,633.75-1,038.21

Finding the Fourth Proportional to 2,424.21, 3,633.75 and 1,038.21

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Solution

The fourth proportional to 2,424.21, 3,633.75 and 1,038.21 is: 1,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.21 : 3,633.75 = 1,038.21 : x
  2. Step 2: Convert to fraction form
    2,424.21/3,633.75 = 1,038.21/x
  3. Step 3: Cross multiply
    2,424.21x = 3,633.75 × 1,038.21
  4. Step 4: Simplify right side
    2,424.21x = 3,772,595.59
  5. Step 5: Solve for x
    x = 3,772,595.59/2,424.21
  6. Step 6: Final answer
    x = 1,556.22

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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.