Home / 5,114.81-7,057.23-2,876.24

Finding the Fourth Proportional to 5,114.81, 7,057.23 and 2,876.24

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Solution

The fourth proportional to 5,114.81, 7,057.23 and 2,876.24 is: 3,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.81 : 7,057.23 = 2,876.24 : x
  2. Step 2: Convert to fraction form
    5,114.81/7,057.23 = 2,876.24/x
  3. Step 3: Cross multiply
    5,114.81x = 7,057.23 × 2,876.24
  4. Step 4: Simplify right side
    5,114.81x = 20,298,294.07
  5. Step 5: Solve for x
    x = 20,298,294.07/5,114.81
  6. Step 6: Final answer
    x = 3,968.53

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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.