Home / 2,919.18-4,373.82-1,762.50

Finding the Fourth Proportional to 2,919.18, 4,373.82 and 1,762.50

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Solution

The fourth proportional to 2,919.18, 4,373.82 and 1,762.50 is: 2,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.18 : 4,373.82 = 1,762.50 : x
  2. Step 2: Convert to fraction form
    2,919.18/4,373.82 = 1,762.50/x
  3. Step 3: Cross multiply
    2,919.18x = 4,373.82 × 1,762.50
  4. Step 4: Simplify right side
    2,919.18x = 7,708,857.75
  5. Step 5: Solve for x
    x = 7,708,857.75/2,919.18
  6. Step 6: Final answer
    x = 2,640.76

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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.