Home / 5,398.38-8,089.47-4,847.58

Finding the Fourth Proportional to 5,398.38, 8,089.47 and 4,847.58

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Solution

The fourth proportional to 5,398.38, 8,089.47 and 4,847.58 is: 7,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.38 : 8,089.47 = 4,847.58 : x
  2. Step 2: Convert to fraction form
    5,398.38/8,089.47 = 4,847.58/x
  3. Step 3: Cross multiply
    5,398.38x = 8,089.47 × 4,847.58
  4. Step 4: Simplify right side
    5,398.38x = 39,214,352.98
  5. Step 5: Solve for x
    x = 39,214,352.98/5,398.38
  6. Step 6: Final answer
    x = 7,264.10

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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.