Home / 5,515.03-7,607.76-3,494.79

Finding the Fourth Proportional to 5,515.03, 7,607.76 and 3,494.79

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Solution

The fourth proportional to 5,515.03, 7,607.76 and 3,494.79 is: 4,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.03 : 7,607.76 = 3,494.79 : x
  2. Step 2: Convert to fraction form
    5,515.03/7,607.76 = 3,494.79/x
  3. Step 3: Cross multiply
    5,515.03x = 7,607.76 × 3,494.79
  4. Step 4: Simplify right side
    5,515.03x = 26,587,523.57
  5. Step 5: Solve for x
    x = 26,587,523.57/5,515.03
  6. Step 6: Final answer
    x = 4,820.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.