Home / 3,521.48-5,256.16-3,106.35

Finding the Fourth Proportional to 3,521.48, 5,256.16 and 3,106.35

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Solution

The fourth proportional to 3,521.48, 5,256.16 and 3,106.35 is: 4,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.48 : 5,256.16 = 3,106.35 : x
  2. Step 2: Convert to fraction form
    3,521.48/5,256.16 = 3,106.35/x
  3. Step 3: Cross multiply
    3,521.48x = 5,256.16 × 3,106.35
  4. Step 4: Simplify right side
    3,521.48x = 16,327,464.85
  5. Step 5: Solve for x
    x = 16,327,464.85/3,521.48
  6. Step 6: Final answer
    x = 4,636.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.