Home / 5,458.44-7,531.74-3,099.72

Finding the Fourth Proportional to 5,458.44, 7,531.74 and 3,099.72

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Solution

The fourth proportional to 5,458.44, 7,531.74 and 3,099.72 is: 4,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.44 : 7,531.74 = 3,099.72 : x
  2. Step 2: Convert to fraction form
    5,458.44/7,531.74 = 3,099.72/x
  3. Step 3: Cross multiply
    5,458.44x = 7,531.74 × 3,099.72
  4. Step 4: Simplify right side
    5,458.44x = 23,346,285.11
  5. Step 5: Solve for x
    x = 23,346,285.11/5,458.44
  6. Step 6: Final answer
    x = 4,277.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.