Home / 3,222.81-4,799.52-3,113.46

Finding the Fourth Proportional to 3,222.81, 4,799.52 and 3,113.46

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Solution

The fourth proportional to 3,222.81, 4,799.52 and 3,113.46 is: 4,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.81 : 4,799.52 = 3,113.46 : x
  2. Step 2: Convert to fraction form
    3,222.81/4,799.52 = 3,113.46/x
  3. Step 3: Cross multiply
    3,222.81x = 4,799.52 × 3,113.46
  4. Step 4: Simplify right side
    3,222.81x = 14,943,113.54
  5. Step 5: Solve for x
    x = 14,943,113.54/3,222.81
  6. Step 6: Final answer
    x = 4,636.67

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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.