Home / 5,433.48-8,145.36-2,658.42

Finding the Fourth Proportional to 5,433.48, 8,145.36 and 2,658.42

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Solution

The fourth proportional to 5,433.48, 8,145.36 and 2,658.42 is: 3,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.48 : 8,145.36 = 2,658.42 : x
  2. Step 2: Convert to fraction form
    5,433.48/8,145.36 = 2,658.42/x
  3. Step 3: Cross multiply
    5,433.48x = 8,145.36 × 2,658.42
  4. Step 4: Simplify right side
    5,433.48x = 21,653,787.93
  5. Step 5: Solve for x
    x = 21,653,787.93/5,433.48
  6. Step 6: Final answer
    x = 3,985.25

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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.