Home / 2,910.01-4,015.22-2,810.00

Finding the Fourth Proportional to 2,910.01, 4,015.22 and 2,810.00

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Solution

The fourth proportional to 2,910.01, 4,015.22 and 2,810.00 is: 3,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.01 : 4,015.22 = 2,810.00 : x
  2. Step 2: Convert to fraction form
    2,910.01/4,015.22 = 2,810.00/x
  3. Step 3: Cross multiply
    2,910.01x = 4,015.22 × 2,810.00
  4. Step 4: Simplify right side
    2,910.01x = 11,282,768.70
  5. Step 5: Solve for x
    x = 11,282,768.70/2,910.01
  6. Step 6: Final answer
    x = 3,877.23

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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.