Home / 5,298.21-7,947.37-1,600.47

Finding the Fourth Proportional to 5,298.21, 7,947.37 and 1,600.47

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Solution

The fourth proportional to 5,298.21, 7,947.37 and 1,600.47 is: 2,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.21 : 7,947.37 = 1,600.47 : x
  2. Step 2: Convert to fraction form
    5,298.21/7,947.37 = 1,600.47/x
  3. Step 3: Cross multiply
    5,298.21x = 7,947.37 × 1,600.47
  4. Step 4: Simplify right side
    5,298.21x = 12,719,527.26
  5. Step 5: Solve for x
    x = 12,719,527.26/5,298.21
  6. Step 6: Final answer
    x = 2,400.72

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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.