Home / 5,943.49-8,187.72-4,999.30

Finding the Fourth Proportional to 5,943.49, 8,187.72 and 4,999.30

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Solution

The fourth proportional to 5,943.49, 8,187.72 and 4,999.30 is: 6,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.49 : 8,187.72 = 4,999.30 : x
  2. Step 2: Convert to fraction form
    5,943.49/8,187.72 = 4,999.30/x
  3. Step 3: Cross multiply
    5,943.49x = 8,187.72 × 4,999.30
  4. Step 4: Simplify right side
    5,943.49x = 40,932,868.60
  5. Step 5: Solve for x
    x = 40,932,868.60/5,943.49
  6. Step 6: Final answer
    x = 6,887.01

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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.