Home / 5,122.76-7,674.42-3,038.36

Finding the Fourth Proportional to 5,122.76, 7,674.42 and 3,038.36

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Solution

The fourth proportional to 5,122.76, 7,674.42 and 3,038.36 is: 4,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.76 : 7,674.42 = 3,038.36 : x
  2. Step 2: Convert to fraction form
    5,122.76/7,674.42 = 3,038.36/x
  3. Step 3: Cross multiply
    5,122.76x = 7,674.42 × 3,038.36
  4. Step 4: Simplify right side
    5,122.76x = 23,317,650.75
  5. Step 5: Solve for x
    x = 23,317,650.75/5,122.76
  6. Step 6: Final answer
    x = 4,551.77

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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.