Home / 2,844.95-3,925.73-1,665.79

Finding the Fourth Proportional to 2,844.95, 3,925.73 and 1,665.79

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Solution

The fourth proportional to 2,844.95, 3,925.73 and 1,665.79 is: 2,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.95 : 3,925.73 = 1,665.79 : x
  2. Step 2: Convert to fraction form
    2,844.95/3,925.73 = 1,665.79/x
  3. Step 3: Cross multiply
    2,844.95x = 3,925.73 × 1,665.79
  4. Step 4: Simplify right side
    2,844.95x = 6,539,436.13
  5. Step 5: Solve for x
    x = 6,539,436.13/2,844.95
  6. Step 6: Final answer
    x = 2,298.62

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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.