Home / 5,989.98-8,274.24-5,431.08

Finding the Fourth Proportional to 5,989.98, 8,274.24 and 5,431.08

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Solution

The fourth proportional to 5,989.98, 8,274.24 and 5,431.08 is: 7,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.98 : 8,274.24 = 5,431.08 : x
  2. Step 2: Convert to fraction form
    5,989.98/8,274.24 = 5,431.08/x
  3. Step 3: Cross multiply
    5,989.98x = 8,274.24 × 5,431.08
  4. Step 4: Simplify right side
    5,989.98x = 44,938,059.38
  5. Step 5: Solve for x
    x = 44,938,059.38/5,989.98
  6. Step 6: Final answer
    x = 7,502.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.