Home / 4,069.21-5,615.49-2,300.81

Finding the Fourth Proportional to 4,069.21, 5,615.49 and 2,300.81

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Solution

The fourth proportional to 4,069.21, 5,615.49 and 2,300.81 is: 3,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.21 : 5,615.49 = 2,300.81 : x
  2. Step 2: Convert to fraction form
    4,069.21/5,615.49 = 2,300.81/x
  3. Step 3: Cross multiply
    4,069.21x = 5,615.49 × 2,300.81
  4. Step 4: Simplify right side
    4,069.21x = 12,920,175.55
  5. Step 5: Solve for x
    x = 12,920,175.55/4,069.21
  6. Step 6: Final answer
    x = 3,175.11

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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.