Home / 5,615.51-8,420.33-2,494.17

Finding the Fourth Proportional to 5,615.51, 8,420.33 and 2,494.17

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Solution

The fourth proportional to 5,615.51, 8,420.33 and 2,494.17 is: 3,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.51 : 8,420.33 = 2,494.17 : x
  2. Step 2: Convert to fraction form
    5,615.51/8,420.33 = 2,494.17/x
  3. Step 3: Cross multiply
    5,615.51x = 8,420.33 × 2,494.17
  4. Step 4: Simplify right side
    5,615.51x = 21,001,722.01
  5. Step 5: Solve for x
    x = 21,001,722.01/5,615.51
  6. Step 6: Final answer
    x = 3,739.95

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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.