Home / 3,526.70-4,865.21-2,479.38

Finding the Fourth Proportional to 3,526.70, 4,865.21 and 2,479.38

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Solution

The fourth proportional to 3,526.70, 4,865.21 and 2,479.38 is: 3,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.70 : 4,865.21 = 2,479.38 : x
  2. Step 2: Convert to fraction form
    3,526.70/4,865.21 = 2,479.38/x
  3. Step 3: Cross multiply
    3,526.70x = 4,865.21 × 2,479.38
  4. Step 4: Simplify right side
    3,526.70x = 12,062,704.37
  5. Step 5: Solve for x
    x = 12,062,704.37/3,526.70
  6. Step 6: Final answer
    x = 3,420.39

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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.