Home / 2,029.49-2,800.69-1,097.99

Finding the Fourth Proportional to 2,029.49, 2,800.69 and 1,097.99

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Solution

The fourth proportional to 2,029.49, 2,800.69 and 1,097.99 is: 1,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.49 : 2,800.69 = 1,097.99 : x
  2. Step 2: Convert to fraction form
    2,029.49/2,800.69 = 1,097.99/x
  3. Step 3: Cross multiply
    2,029.49x = 2,800.69 × 1,097.99
  4. Step 4: Simplify right side
    2,029.49x = 3,075,115.61
  5. Step 5: Solve for x
    x = 3,075,115.61/2,029.49
  6. Step 6: Final answer
    x = 1,515.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.