Home / 3,148.20-4,722.36-1,504.92

Finding the Fourth Proportional to 3,148.20, 4,722.36 and 1,504.92

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Solution

The fourth proportional to 3,148.20, 4,722.36 and 1,504.92 is: 2,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.20 : 4,722.36 = 1,504.92 : x
  2. Step 2: Convert to fraction form
    3,148.20/4,722.36 = 1,504.92/x
  3. Step 3: Cross multiply
    3,148.20x = 4,722.36 × 1,504.92
  4. Step 4: Simplify right side
    3,148.20x = 7,106,774.01
  5. Step 5: Solve for x
    x = 7,106,774.01/3,148.20
  6. Step 6: Final answer
    x = 2,257.41

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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.