Home / 5,387.33-7,434.57-3,029.45

Finding the Fourth Proportional to 5,387.33, 7,434.57 and 3,029.45

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Solution

The fourth proportional to 5,387.33, 7,434.57 and 3,029.45 is: 4,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.33 : 7,434.57 = 3,029.45 : x
  2. Step 2: Convert to fraction form
    5,387.33/7,434.57 = 3,029.45/x
  3. Step 3: Cross multiply
    5,387.33x = 7,434.57 × 3,029.45
  4. Step 4: Simplify right side
    5,387.33x = 22,522,620.91
  5. Step 5: Solve for x
    x = 22,522,620.91/5,387.33
  6. Step 6: Final answer
    x = 4,180.67

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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.