Home / 2,749.95-4,125.36-1,363.32

Finding the Fourth Proportional to 2,749.95, 4,125.36 and 1,363.32

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Solution

The fourth proportional to 2,749.95, 4,125.36 and 1,363.32 is: 2,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.95 : 4,125.36 = 1,363.32 : x
  2. Step 2: Convert to fraction form
    2,749.95/4,125.36 = 1,363.32/x
  3. Step 3: Cross multiply
    2,749.95x = 4,125.36 × 1,363.32
  4. Step 4: Simplify right side
    2,749.95x = 5,624,185.80
  5. Step 5: Solve for x
    x = 5,624,185.80/2,749.95
  6. Step 6: Final answer
    x = 2,045.20

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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.