Home / 5,633.81-7,775.31-3,396.83

Finding the Fourth Proportional to 5,633.81, 7,775.31 and 3,396.83

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Solution

The fourth proportional to 5,633.81, 7,775.31 and 3,396.83 is: 4,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.81 : 7,775.31 = 3,396.83 : x
  2. Step 2: Convert to fraction form
    5,633.81/7,775.31 = 3,396.83/x
  3. Step 3: Cross multiply
    5,633.81x = 7,775.31 × 3,396.83
  4. Step 4: Simplify right side
    5,633.81x = 26,411,406.27
  5. Step 5: Solve for x
    x = 26,411,406.27/5,633.81
  6. Step 6: Final answer
    x = 4,688.02

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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.