Home / 5,114.18-7,058.04-2,876.60

Finding the Fourth Proportional to 5,114.18, 7,058.04 and 2,876.60

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Solution

The fourth proportional to 5,114.18, 7,058.04 and 2,876.60 is: 3,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.18 : 7,058.04 = 2,876.60 : x
  2. Step 2: Convert to fraction form
    5,114.18/7,058.04 = 2,876.60/x
  3. Step 3: Cross multiply
    5,114.18x = 7,058.04 × 2,876.60
  4. Step 4: Simplify right side
    5,114.18x = 20,303,157.86
  5. Step 5: Solve for x
    x = 20,303,157.86/5,114.18
  6. Step 6: Final answer
    x = 3,969.97

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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.