Home / 5,509.22-8,258.36-4,921.56

Finding the Fourth Proportional to 5,509.22, 8,258.36 and 4,921.56

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Solution

The fourth proportional to 5,509.22, 8,258.36 and 4,921.56 is: 7,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.22 : 8,258.36 = 4,921.56 : x
  2. Step 2: Convert to fraction form
    5,509.22/8,258.36 = 4,921.56/x
  3. Step 3: Cross multiply
    5,509.22x = 8,258.36 × 4,921.56
  4. Step 4: Simplify right side
    5,509.22x = 40,643,989.63
  5. Step 5: Solve for x
    x = 40,643,989.63/5,509.22
  6. Step 6: Final answer
    x = 7,377.46

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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.