Home / 2,075.22-3,113.44-1,254.49

Finding the Fourth Proportional to 2,075.22, 3,113.44 and 1,254.49

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Solution

The fourth proportional to 2,075.22, 3,113.44 and 1,254.49 is: 1,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.22 : 3,113.44 = 1,254.49 : x
  2. Step 2: Convert to fraction form
    2,075.22/3,113.44 = 1,254.49/x
  3. Step 3: Cross multiply
    2,075.22x = 3,113.44 × 1,254.49
  4. Step 4: Simplify right side
    2,075.22x = 3,905,768.43
  5. Step 5: Solve for x
    x = 3,905,768.43/2,075.22
  6. Step 6: Final answer
    x = 1,882.10

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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.