Home / 2,601.90-3,897.33-2,416.01

Finding the Fourth Proportional to 2,601.90, 3,897.33 and 2,416.01

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Solution

The fourth proportional to 2,601.90, 3,897.33 and 2,416.01 is: 3,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.90 : 3,897.33 = 2,416.01 : x
  2. Step 2: Convert to fraction form
    2,601.90/3,897.33 = 2,416.01/x
  3. Step 3: Cross multiply
    2,601.90x = 3,897.33 × 2,416.01
  4. Step 4: Simplify right side
    2,601.90x = 9,415,968.77
  5. Step 5: Solve for x
    x = 9,415,968.77/2,601.90
  6. Step 6: Final answer
    x = 3,618.88

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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.