Home / 2,056.91-2,837.19-1,259.79

Finding the Fourth Proportional to 2,056.91, 2,837.19 and 1,259.79

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Solution

The fourth proportional to 2,056.91, 2,837.19 and 1,259.79 is: 1,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.91 : 2,837.19 = 1,259.79 : x
  2. Step 2: Convert to fraction form
    2,056.91/2,837.19 = 1,259.79/x
  3. Step 3: Cross multiply
    2,056.91x = 2,837.19 × 1,259.79
  4. Step 4: Simplify right side
    2,056.91x = 3,574,263.59
  5. Step 5: Solve for x
    x = 3,574,263.59/2,056.91
  6. Step 6: Final answer
    x = 1,737.69

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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.