Home / 5,114.94-7,059.22-2,876.90

Finding the Fourth Proportional to 5,114.94, 7,059.22 and 2,876.90

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Solution

The fourth proportional to 5,114.94, 7,059.22 and 2,876.90 is: 3,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.94 : 7,059.22 = 2,876.90 : x
  2. Step 2: Convert to fraction form
    5,114.94/7,059.22 = 2,876.90/x
  3. Step 3: Cross multiply
    5,114.94x = 7,059.22 × 2,876.90
  4. Step 4: Simplify right side
    5,114.94x = 20,308,670.02
  5. Step 5: Solve for x
    x = 20,308,670.02/5,114.94
  6. Step 6: Final answer
    x = 3,970.46

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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.