Home / 5,549.78-8,327.40-3,916.82

Finding the Fourth Proportional to 5,549.78, 8,327.40 and 3,916.82

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Solution

The fourth proportional to 5,549.78, 8,327.40 and 3,916.82 is: 5,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.78 : 8,327.40 = 3,916.82 : x
  2. Step 2: Convert to fraction form
    5,549.78/8,327.40 = 3,916.82/x
  3. Step 3: Cross multiply
    5,549.78x = 8,327.40 × 3,916.82
  4. Step 4: Simplify right side
    5,549.78x = 32,616,926.87
  5. Step 5: Solve for x
    x = 32,616,926.87/5,549.78
  6. Step 6: Final answer
    x = 5,877.16

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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.