Home / 2,075.15-3,115.79-2,038.23

Finding the Fourth Proportional to 2,075.15, 3,115.79 and 2,038.23

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Solution

The fourth proportional to 2,075.15, 3,115.79 and 2,038.23 is: 3,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.15 : 3,115.79 = 2,038.23 : x
  2. Step 2: Convert to fraction form
    2,075.15/3,115.79 = 2,038.23/x
  3. Step 3: Cross multiply
    2,075.15x = 3,115.79 × 2,038.23
  4. Step 4: Simplify right side
    2,075.15x = 6,350,696.65
  5. Step 5: Solve for x
    x = 6,350,696.65/2,075.15
  6. Step 6: Final answer
    x = 3,060.36

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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.