Home / 5,015.70-6,927.36-3,419.62

Finding the Fourth Proportional to 5,015.70, 6,927.36 and 3,419.62

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Solution

The fourth proportional to 5,015.70, 6,927.36 and 3,419.62 is: 4,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.70 : 6,927.36 = 3,419.62 : x
  2. Step 2: Convert to fraction form
    5,015.70/6,927.36 = 3,419.62/x
  3. Step 3: Cross multiply
    5,015.70x = 6,927.36 × 3,419.62
  4. Step 4: Simplify right side
    5,015.70x = 23,688,938.80
  5. Step 5: Solve for x
    x = 23,688,938.80/5,015.70
  6. Step 6: Final answer
    x = 4,722.96

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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.