Home / 2,913.23-4,372.59-1,940.01

Finding the Fourth Proportional to 2,913.23, 4,372.59 and 1,940.01

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Solution

The fourth proportional to 2,913.23, 4,372.59 and 1,940.01 is: 2,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.23 : 4,372.59 = 1,940.01 : x
  2. Step 2: Convert to fraction form
    2,913.23/4,372.59 = 1,940.01/x
  3. Step 3: Cross multiply
    2,913.23x = 4,372.59 × 1,940.01
  4. Step 4: Simplify right side
    2,913.23x = 8,482,868.33
  5. Step 5: Solve for x
    x = 8,482,868.33/2,913.23
  6. Step 6: Final answer
    x = 2,911.84

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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.