Home / 5,114.63-7,056.96-2,876.06

Finding the Fourth Proportional to 5,114.63, 7,056.96 and 2,876.06

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Solution

The fourth proportional to 5,114.63, 7,056.96 and 2,876.06 is: 3,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.63 : 7,056.96 = 2,876.06 : x
  2. Step 2: Convert to fraction form
    5,114.63/7,056.96 = 2,876.06/x
  3. Step 3: Cross multiply
    5,114.63x = 7,056.96 × 2,876.06
  4. Step 4: Simplify right side
    5,114.63x = 20,296,205.09
  5. Step 5: Solve for x
    x = 20,296,205.09/5,114.63
  6. Step 6: Final answer
    x = 3,968.27

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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.