Home / 5,405.93-8,093.09-4,887.12

Finding the Fourth Proportional to 5,405.93, 8,093.09 and 4,887.12

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Solution

The fourth proportional to 5,405.93, 8,093.09 and 4,887.12 is: 7,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.93 : 8,093.09 = 4,887.12 : x
  2. Step 2: Convert to fraction form
    5,405.93/8,093.09 = 4,887.12/x
  3. Step 3: Cross multiply
    5,405.93x = 8,093.09 × 4,887.12
  4. Step 4: Simplify right side
    5,405.93x = 39,551,902.00
  5. Step 5: Solve for x
    x = 39,551,902.00/5,405.93
  6. Step 6: Final answer
    x = 7,316.39

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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.