Home / 3,100.14-4,646.52-2,170.67

Finding the Fourth Proportional to 3,100.14, 4,646.52 and 2,170.67

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Solution

The fourth proportional to 3,100.14, 4,646.52 and 2,170.67 is: 3,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.14 : 4,646.52 = 2,170.67 : x
  2. Step 2: Convert to fraction form
    3,100.14/4,646.52 = 2,170.67/x
  3. Step 3: Cross multiply
    3,100.14x = 4,646.52 × 2,170.67
  4. Step 4: Simplify right side
    3,100.14x = 10,086,038.34
  5. Step 5: Solve for x
    x = 10,086,038.34/3,100.14
  6. Step 6: Final answer
    x = 3,253.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.