Home / 5,424.34-8,136.08-1,726.42

Finding the Fourth Proportional to 5,424.34, 8,136.08 and 1,726.42

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Solution

The fourth proportional to 5,424.34, 8,136.08 and 1,726.42 is: 2,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.34 : 8,136.08 = 1,726.42 : x
  2. Step 2: Convert to fraction form
    5,424.34/8,136.08 = 1,726.42/x
  3. Step 3: Cross multiply
    5,424.34x = 8,136.08 × 1,726.42
  4. Step 4: Simplify right side
    5,424.34x = 14,046,291.23
  5. Step 5: Solve for x
    x = 14,046,291.23/5,424.34
  6. Step 6: Final answer
    x = 2,589.49

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Half scale
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Double scale
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Similar ratio
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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.