Home / 6,331.77-8,735.93-3,678.66

Finding the Fourth Proportional to 6,331.77, 8,735.93 and 3,678.66

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Solution

The fourth proportional to 6,331.77, 8,735.93 and 3,678.66 is: 5,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.77 : 8,735.93 = 3,678.66 : x
  2. Step 2: Convert to fraction form
    6,331.77/8,735.93 = 3,678.66/x
  3. Step 3: Cross multiply
    6,331.77x = 8,735.93 × 3,678.66
  4. Step 4: Simplify right side
    6,331.77x = 32,136,497.86
  5. Step 5: Solve for x
    x = 32,136,497.86/6,331.77
  6. Step 6: Final answer
    x = 5,075.44

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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.