Home / 5,114.53-7,059.23-2,991.05

Finding the Fourth Proportional to 5,114.53, 7,059.23 and 2,991.05

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Solution

The fourth proportional to 5,114.53, 7,059.23 and 2,991.05 is: 4,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.53 : 7,059.23 = 2,991.05 : x
  2. Step 2: Convert to fraction form
    5,114.53/7,059.23 = 2,991.05/x
  3. Step 3: Cross multiply
    5,114.53x = 7,059.23 × 2,991.05
  4. Step 4: Simplify right side
    5,114.53x = 21,114,482.07
  5. Step 5: Solve for x
    x = 21,114,482.07/5,114.53
  6. Step 6: Final answer
    x = 4,128.33

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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.