Home / 3,052.40-4,579.09-972.38

Finding the Fourth Proportional to 3,052.40, 4,579.09 and 972.38

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Solution

The fourth proportional to 3,052.40, 4,579.09 and 972.38 is: 1,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.40 : 4,579.09 = 972.38 : x
  2. Step 2: Convert to fraction form
    3,052.40/4,579.09 = 972.38/x
  3. Step 3: Cross multiply
    3,052.40x = 4,579.09 × 972.38
  4. Step 4: Simplify right side
    3,052.40x = 4,452,624.55
  5. Step 5: Solve for x
    x = 4,452,624.55/3,052.40
  6. Step 6: Final answer
    x = 1,458.73

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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.