Home / 2,126.58-2,895.32-2,119.99

Finding the Fourth Proportional to 2,126.58, 2,895.32 and 2,119.99

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Solution

The fourth proportional to 2,126.58, 2,895.32 and 2,119.99 is: 2,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.58 : 2,895.32 = 2,119.99 : x
  2. Step 2: Convert to fraction form
    2,126.58/2,895.32 = 2,119.99/x
  3. Step 3: Cross multiply
    2,126.58x = 2,895.32 × 2,119.99
  4. Step 4: Simplify right side
    2,126.58x = 6,138,049.45
  5. Step 5: Solve for x
    x = 6,138,049.45/2,126.58
  6. Step 6: Final answer
    x = 2,886.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.