Home / 2,425.20-3,637.80-2,406.98

Finding the Fourth Proportional to 2,425.20, 3,637.80 and 2,406.98

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Solution

The fourth proportional to 2,425.20, 3,637.80 and 2,406.98 is: 3,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.20 : 3,637.80 = 2,406.98 : x
  2. Step 2: Convert to fraction form
    2,425.20/3,637.80 = 2,406.98/x
  3. Step 3: Cross multiply
    2,425.20x = 3,637.80 × 2,406.98
  4. Step 4: Simplify right side
    2,425.20x = 8,756,093.66
  5. Step 5: Solve for x
    x = 8,756,093.66/2,425.20
  6. Step 6: Final answer
    x = 3,610.46

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1.5x scale

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.