Home / 2,075.24-3,114.14-842.66

Finding the Fourth Proportional to 2,075.24, 3,114.14 and 842.66

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Solution

The fourth proportional to 2,075.24, 3,114.14 and 842.66 is: 1,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.24 : 3,114.14 = 842.66 : x
  2. Step 2: Convert to fraction form
    2,075.24/3,114.14 = 842.66/x
  3. Step 3: Cross multiply
    2,075.24x = 3,114.14 × 842.66
  4. Step 4: Simplify right side
    2,075.24x = 2,624,141.43
  5. Step 5: Solve for x
    x = 2,624,141.43/2,075.24
  6. Step 6: Final answer
    x = 1,264.50

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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.