Home / 5,925.78-8,177.57-3,408.39

Finding the Fourth Proportional to 5,925.78, 8,177.57 and 3,408.39

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Solution

The fourth proportional to 5,925.78, 8,177.57 and 3,408.39 is: 4,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.78 : 8,177.57 = 3,408.39 : x
  2. Step 2: Convert to fraction form
    5,925.78/8,177.57 = 3,408.39/x
  3. Step 3: Cross multiply
    5,925.78x = 8,177.57 × 3,408.39
  4. Step 4: Simplify right side
    5,925.78x = 27,872,343.55
  5. Step 5: Solve for x
    x = 27,872,343.55/5,925.78
  6. Step 6: Final answer
    x = 4,703.57

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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.