Home / 2,845.02-4,267.55-2,721.10

Finding the Fourth Proportional to 2,845.02, 4,267.55 and 2,721.10

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Solution

The fourth proportional to 2,845.02, 4,267.55 and 2,721.10 is: 4,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.02 : 4,267.55 = 2,721.10 : x
  2. Step 2: Convert to fraction form
    2,845.02/4,267.55 = 2,721.10/x
  3. Step 3: Cross multiply
    2,845.02x = 4,267.55 × 2,721.10
  4. Step 4: Simplify right side
    2,845.02x = 11,612,430.31
  5. Step 5: Solve for x
    x = 11,612,430.31/2,845.02
  6. Step 6: Final answer
    x = 4,081.67

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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.