Home / 4,972.20-7,458.36-1,509.48

Finding the Fourth Proportional to 4,972.20, 7,458.36 and 1,509.48

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Solution

The fourth proportional to 4,972.20, 7,458.36 and 1,509.48 is: 2,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.20 : 7,458.36 = 1,509.48 : x
  2. Step 2: Convert to fraction form
    4,972.20/7,458.36 = 1,509.48/x
  3. Step 3: Cross multiply
    4,972.20x = 7,458.36 × 1,509.48
  4. Step 4: Simplify right side
    4,972.20x = 11,258,245.25
  5. Step 5: Solve for x
    x = 11,258,245.25/4,972.20
  6. Step 6: Final answer
    x = 2,264.24

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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.