Home / 2,953.06-4,075.30-1,626.78

Finding the Fourth Proportional to 2,953.06, 4,075.30 and 1,626.78

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Solution

The fourth proportional to 2,953.06, 4,075.30 and 1,626.78 is: 2,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.06 : 4,075.30 = 1,626.78 : x
  2. Step 2: Convert to fraction form
    2,953.06/4,075.30 = 1,626.78/x
  3. Step 3: Cross multiply
    2,953.06x = 4,075.30 × 1,626.78
  4. Step 4: Simplify right side
    2,953.06x = 6,629,616.53
  5. Step 5: Solve for x
    x = 6,629,616.53/2,953.06
  6. Step 6: Final answer
    x = 2,245.00

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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.