Home / 2,740.09-4,107.30-1,507.08

Finding the Fourth Proportional to 2,740.09, 4,107.30 and 1,507.08

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Solution

The fourth proportional to 2,740.09, 4,107.30 and 1,507.08 is: 2,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.09 : 4,107.30 = 1,507.08 : x
  2. Step 2: Convert to fraction form
    2,740.09/4,107.30 = 1,507.08/x
  3. Step 3: Cross multiply
    2,740.09x = 4,107.30 × 1,507.08
  4. Step 4: Simplify right side
    2,740.09x = 6,190,029.68
  5. Step 5: Solve for x
    x = 6,190,029.68/2,740.09
  6. Step 6: Final answer
    x = 2,259.06

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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.