Home / 5,886.99-8,123.37-3,369.78

Finding the Fourth Proportional to 5,886.99, 8,123.37 and 3,369.78

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Solution

The fourth proportional to 5,886.99, 8,123.37 and 3,369.78 is: 4,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.99 : 8,123.37 = 3,369.78 : x
  2. Step 2: Convert to fraction form
    5,886.99/8,123.37 = 3,369.78/x
  3. Step 3: Cross multiply
    5,886.99x = 8,123.37 × 3,369.78
  4. Step 4: Simplify right side
    5,886.99x = 27,373,969.76
  5. Step 5: Solve for x
    x = 27,373,969.76/5,886.99
  6. Step 6: Final answer
    x = 4,649.91

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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.