Home / 5,145.20-7,093.10-3,652.57

Finding the Fourth Proportional to 5,145.20, 7,093.10 and 3,652.57

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Solution

The fourth proportional to 5,145.20, 7,093.10 and 3,652.57 is: 5,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.20 : 7,093.10 = 3,652.57 : x
  2. Step 2: Convert to fraction form
    5,145.20/7,093.10 = 3,652.57/x
  3. Step 3: Cross multiply
    5,145.20x = 7,093.10 × 3,652.57
  4. Step 4: Simplify right side
    5,145.20x = 25,908,062.26
  5. Step 5: Solve for x
    x = 25,908,062.26/5,145.20
  6. Step 6: Final answer
    x = 5,035.39

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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.