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Finding the Fourth Proportional to 2,802.99, 4,209.16 and 1,751.25

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Solution

The fourth proportional to 2,802.99, 4,209.16 and 1,751.25 is: 2,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.99 : 4,209.16 = 1,751.25 : x
  2. Step 2: Convert to fraction form
    2,802.99/4,209.16 = 1,751.25/x
  3. Step 3: Cross multiply
    2,802.99x = 4,209.16 × 1,751.25
  4. Step 4: Simplify right side
    2,802.99x = 7,371,270.40
  5. Step 5: Solve for x
    x = 7,371,270.40/2,802.99
  6. Step 6: Final answer
    x = 2,629.79

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1.5x scale

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.