Home / 2,953.42-4,075.68-1,694.68

Finding the Fourth Proportional to 2,953.42, 4,075.68 and 1,694.68

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Solution

The fourth proportional to 2,953.42, 4,075.68 and 1,694.68 is: 2,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.42 : 4,075.68 = 1,694.68 : x
  2. Step 2: Convert to fraction form
    2,953.42/4,075.68 = 1,694.68/x
  3. Step 3: Cross multiply
    2,953.42x = 4,075.68 × 1,694.68
  4. Step 4: Simplify right side
    2,953.42x = 6,906,973.38
  5. Step 5: Solve for x
    x = 6,906,973.38/2,953.42
  6. Step 6: Final answer
    x = 2,338.64

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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.