Home / 3,480.21-4,798.13-2,536.20

Finding the Fourth Proportional to 3,480.21, 4,798.13 and 2,536.20

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Solution

The fourth proportional to 3,480.21, 4,798.13 and 2,536.20 is: 3,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.21 : 4,798.13 = 2,536.20 : x
  2. Step 2: Convert to fraction form
    3,480.21/4,798.13 = 2,536.20/x
  3. Step 3: Cross multiply
    3,480.21x = 4,798.13 × 2,536.20
  4. Step 4: Simplify right side
    3,480.21x = 12,169,004.63
  5. Step 5: Solve for x
    x = 12,169,004.63/3,480.21
  6. Step 6: Final answer
    x = 3,496.63

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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.