Home / 5,431.15-8,146.58-1,733.60

Finding the Fourth Proportional to 5,431.15, 8,146.58 and 1,733.60

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Solution

The fourth proportional to 5,431.15, 8,146.58 and 1,733.60 is: 2,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.15 : 8,146.58 = 1,733.60 : x
  2. Step 2: Convert to fraction form
    5,431.15/8,146.58 = 1,733.60/x
  3. Step 3: Cross multiply
    5,431.15x = 8,146.58 × 1,733.60
  4. Step 4: Simplify right side
    5,431.15x = 14,122,902.42
  5. Step 5: Solve for x
    x = 14,122,902.42/5,431.15
  6. Step 6: Final answer
    x = 2,600.35

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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.