Home / 5,817.70-8,712.78-4,429.36

Finding the Fourth Proportional to 5,817.70, 8,712.78 and 4,429.36

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Solution

The fourth proportional to 5,817.70, 8,712.78 and 4,429.36 is: 6,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.70 : 8,712.78 = 4,429.36 : x
  2. Step 2: Convert to fraction form
    5,817.70/8,712.78 = 4,429.36/x
  3. Step 3: Cross multiply
    5,817.70x = 8,712.78 × 4,429.36
  4. Step 4: Simplify right side
    5,817.70x = 38,592,039.22
  5. Step 5: Solve for x
    x = 38,592,039.22/5,817.70
  6. Step 6: Final answer
    x = 6,633.56

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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.