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Finding the Fourth Proportional to 5,652.51, 7,800.78 and 3,134.93

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Solution

The fourth proportional to 5,652.51, 7,800.78 and 3,134.93 is: 4,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.51 : 7,800.78 = 3,134.93 : x
  2. Step 2: Convert to fraction form
    5,652.51/7,800.78 = 3,134.93/x
  3. Step 3: Cross multiply
    5,652.51x = 7,800.78 × 3,134.93
  4. Step 4: Simplify right side
    5,652.51x = 24,454,860.24
  5. Step 5: Solve for x
    x = 24,454,860.24/5,652.51
  6. Step 6: Final answer
    x = 4,326.37

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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.