Home / 3,515.22-4,848.84-2,255.84

Finding the Fourth Proportional to 3,515.22, 4,848.84 and 2,255.84

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Solution

The fourth proportional to 3,515.22, 4,848.84 and 2,255.84 is: 3,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.22 : 4,848.84 = 2,255.84 : x
  2. Step 2: Convert to fraction form
    3,515.22/4,848.84 = 2,255.84/x
  3. Step 3: Cross multiply
    3,515.22x = 4,848.84 × 2,255.84
  4. Step 4: Simplify right side
    3,515.22x = 10,938,207.23
  5. Step 5: Solve for x
    x = 10,938,207.23/3,515.22
  6. Step 6: Final answer
    x = 3,111.67

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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.