Home / 2,355.01-3,531.20-1,615.48

Finding the Fourth Proportional to 2,355.01, 3,531.20 and 1,615.48

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Solution

The fourth proportional to 2,355.01, 3,531.20 and 1,615.48 is: 2,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.01 : 3,531.20 = 1,615.48 : x
  2. Step 2: Convert to fraction form
    2,355.01/3,531.20 = 1,615.48/x
  3. Step 3: Cross multiply
    2,355.01x = 3,531.20 × 1,615.48
  4. Step 4: Simplify right side
    2,355.01x = 5,704,566.07
  5. Step 5: Solve for x
    x = 5,704,566.07/2,355.01
  6. Step 6: Final answer
    x = 2,422.31

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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.