Home / 2,087.55-3,114.99-2,075.40

Finding the Fourth Proportional to 2,087.55, 3,114.99 and 2,075.40

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Solution

The fourth proportional to 2,087.55, 3,114.99 and 2,075.40 is: 3,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.55 : 3,114.99 = 2,075.40 : x
  2. Step 2: Convert to fraction form
    2,087.55/3,114.99 = 2,075.40/x
  3. Step 3: Cross multiply
    2,087.55x = 3,114.99 × 2,075.40
  4. Step 4: Simplify right side
    2,087.55x = 6,464,850.25
  5. Step 5: Solve for x
    x = 6,464,850.25/2,087.55
  6. Step 6: Final answer
    x = 3,096.86

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1.5x scale

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.