Home / 2,700.63-4,052.70-1,403.01

Finding the Fourth Proportional to 2,700.63, 4,052.70 and 1,403.01

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Solution

The fourth proportional to 2,700.63, 4,052.70 and 1,403.01 is: 2,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.63 : 4,052.70 = 1,403.01 : x
  2. Step 2: Convert to fraction form
    2,700.63/4,052.70 = 1,403.01/x
  3. Step 3: Cross multiply
    2,700.63x = 4,052.70 × 1,403.01
  4. Step 4: Simplify right side
    2,700.63x = 5,685,978.63
  5. Step 5: Solve for x
    x = 5,685,978.63/2,700.63
  6. Step 6: Final answer
    x = 2,105.43

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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.