Home / 2,786.95-3,844.74-1,607.77

Finding the Fourth Proportional to 2,786.95, 3,844.74 and 1,607.77

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Solution

The fourth proportional to 2,786.95, 3,844.74 and 1,607.77 is: 2,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.95 : 3,844.74 = 1,607.77 : x
  2. Step 2: Convert to fraction form
    2,786.95/3,844.74 = 1,607.77/x
  3. Step 3: Cross multiply
    2,786.95x = 3,844.74 × 1,607.77
  4. Step 4: Simplify right side
    2,786.95x = 6,181,457.63
  5. Step 5: Solve for x
    x = 6,181,457.63/2,786.95
  6. Step 6: Final answer
    x = 2,218.00

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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.