Home / 3,522.33-4,849.97-3,128.67

Finding the Fourth Proportional to 3,522.33, 4,849.97 and 3,128.67

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Solution

The fourth proportional to 3,522.33, 4,849.97 and 3,128.67 is: 4,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.33 : 4,849.97 = 3,128.67 : x
  2. Step 2: Convert to fraction form
    3,522.33/4,849.97 = 3,128.67/x
  3. Step 3: Cross multiply
    3,522.33x = 4,849.97 × 3,128.67
  4. Step 4: Simplify right side
    3,522.33x = 15,173,955.64
  5. Step 5: Solve for x
    x = 15,173,955.64/3,522.33
  6. Step 6: Final answer
    x = 4,307.93

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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.