Home / 4,901.24-7,351.98-1,438.60

Finding the Fourth Proportional to 4,901.24, 7,351.98 and 1,438.60

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Solution

The fourth proportional to 4,901.24, 7,351.98 and 1,438.60 is: 2,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.24 : 7,351.98 = 1,438.60 : x
  2. Step 2: Convert to fraction form
    4,901.24/7,351.98 = 1,438.60/x
  3. Step 3: Cross multiply
    4,901.24x = 7,351.98 × 1,438.60
  4. Step 4: Simplify right side
    4,901.24x = 10,576,558.43
  5. Step 5: Solve for x
    x = 10,576,558.43/4,901.24
  6. Step 6: Final answer
    x = 2,157.94

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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.