Home / 5,133.42-7,083.90-3,144.06

Finding the Fourth Proportional to 5,133.42, 7,083.90 and 3,144.06

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Solution

The fourth proportional to 5,133.42, 7,083.90 and 3,144.06 is: 4,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.42 : 7,083.90 = 3,144.06 : x
  2. Step 2: Convert to fraction form
    5,133.42/7,083.90 = 3,144.06/x
  3. Step 3: Cross multiply
    5,133.42x = 7,083.90 × 3,144.06
  4. Step 4: Simplify right side
    5,133.42x = 22,272,206.63
  5. Step 5: Solve for x
    x = 22,272,206.63/5,133.42
  6. Step 6: Final answer
    x = 4,338.67

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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.