Home / 2,106.18-3,135.06-2,075.00

Finding the Fourth Proportional to 2,106.18, 3,135.06 and 2,075.00

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Solution

The fourth proportional to 2,106.18, 3,135.06 and 2,075.00 is: 3,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.18 : 3,135.06 = 2,075.00 : x
  2. Step 2: Convert to fraction form
    2,106.18/3,135.06 = 2,075.00/x
  3. Step 3: Cross multiply
    2,106.18x = 3,135.06 × 2,075.00
  4. Step 4: Simplify right side
    2,106.18x = 6,505,233.82
  5. Step 5: Solve for x
    x = 6,505,233.82/2,106.18
  6. Step 6: Final answer
    x = 3,088.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.