Home / 1,913.51-2,861.88-1,773.41

Finding the Fourth Proportional to 1,913.51, 2,861.88 and 1,773.41

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Solution

The fourth proportional to 1,913.51, 2,861.88 and 1,773.41 is: 2,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.51 : 2,861.88 = 1,773.41 : x
  2. Step 2: Convert to fraction form
    1,913.51/2,861.88 = 1,773.41/x
  3. Step 3: Cross multiply
    1,913.51x = 2,861.88 × 1,773.41
  4. Step 4: Simplify right side
    1,913.51x = 5,075,286.61
  5. Step 5: Solve for x
    x = 5,075,286.61/1,913.51
  6. Step 6: Final answer
    x = 2,652.34

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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.