Home / 3,075.63-4,239.52-2,011.51

Finding the Fourth Proportional to 3,075.63, 4,239.52 and 2,011.51

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Solution

The fourth proportional to 3,075.63, 4,239.52 and 2,011.51 is: 2,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.63 : 4,239.52 = 2,011.51 : x
  2. Step 2: Convert to fraction form
    3,075.63/4,239.52 = 2,011.51/x
  3. Step 3: Cross multiply
    3,075.63x = 4,239.52 × 2,011.51
  4. Step 4: Simplify right side
    3,075.63x = 8,527,836.88
  5. Step 5: Solve for x
    x = 8,527,836.88/3,075.63
  6. Step 6: Final answer
    x = 2,772.71

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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.