Home / 4,582.21-6,868.70-1,807.81

Finding the Fourth Proportional to 4,582.21, 6,868.70 and 1,807.81

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Solution

The fourth proportional to 4,582.21, 6,868.70 and 1,807.81 is: 2,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.21 : 6,868.70 = 1,807.81 : x
  2. Step 2: Convert to fraction form
    4,582.21/6,868.70 = 1,807.81/x
  3. Step 3: Cross multiply
    4,582.21x = 6,868.70 × 1,807.81
  4. Step 4: Simplify right side
    4,582.21x = 12,417,304.55
  5. Step 5: Solve for x
    x = 12,417,304.55/4,582.21
  6. Step 6: Final answer
    x = 2,709.89

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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.