Home / 4,740.70-6,542.40-2,644.42

Finding the Fourth Proportional to 4,740.70, 6,542.40 and 2,644.42

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Solution

The fourth proportional to 4,740.70, 6,542.40 and 2,644.42 is: 3,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.70 : 6,542.40 = 2,644.42 : x
  2. Step 2: Convert to fraction form
    4,740.70/6,542.40 = 2,644.42/x
  3. Step 3: Cross multiply
    4,740.70x = 6,542.40 × 2,644.42
  4. Step 4: Simplify right side
    4,740.70x = 17,300,853.41
  5. Step 5: Solve for x
    x = 17,300,853.41/4,740.70
  6. Step 6: Final answer
    x = 3,649.43

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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.