Home / 5,145.88-7,708.48-2,368.70

Finding the Fourth Proportional to 5,145.88, 7,708.48 and 2,368.70

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Solution

The fourth proportional to 5,145.88, 7,708.48 and 2,368.70 is: 3,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.88 : 7,708.48 = 2,368.70 : x
  2. Step 2: Convert to fraction form
    5,145.88/7,708.48 = 2,368.70/x
  3. Step 3: Cross multiply
    5,145.88x = 7,708.48 × 2,368.70
  4. Step 4: Simplify right side
    5,145.88x = 18,259,076.58
  5. Step 5: Solve for x
    x = 18,259,076.58/5,145.88
  6. Step 6: Final answer
    x = 3,548.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.