Home / 5,624.26-7,761.70-3,140.26

Finding the Fourth Proportional to 5,624.26, 7,761.70 and 3,140.26

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Solution

The fourth proportional to 5,624.26, 7,761.70 and 3,140.26 is: 4,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.26 : 7,761.70 = 3,140.26 : x
  2. Step 2: Convert to fraction form
    5,624.26/7,761.70 = 3,140.26/x
  3. Step 3: Cross multiply
    5,624.26x = 7,761.70 × 3,140.26
  4. Step 4: Simplify right side
    5,624.26x = 24,373,756.04
  5. Step 5: Solve for x
    x = 24,373,756.04/5,624.26
  6. Step 6: Final answer
    x = 4,333.68

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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.