Home / 5,140.23-7,093.51-2,902.58

Finding the Fourth Proportional to 5,140.23, 7,093.51 and 2,902.58

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Solution

The fourth proportional to 5,140.23, 7,093.51 and 2,902.58 is: 4,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.23 : 7,093.51 = 2,902.58 : x
  2. Step 2: Convert to fraction form
    5,140.23/7,093.51 = 2,902.58/x
  3. Step 3: Cross multiply
    5,140.23x = 7,093.51 × 2,902.58
  4. Step 4: Simplify right side
    5,140.23x = 20,589,480.26
  5. Step 5: Solve for x
    x = 20,589,480.26/5,140.23
  6. Step 6: Final answer
    x = 4,005.56

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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.