Home / 2,056.96-2,838.60-1,172.74

Finding the Fourth Proportional to 2,056.96, 2,838.60 and 1,172.74

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Solution

The fourth proportional to 2,056.96, 2,838.60 and 1,172.74 is: 1,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.96 : 2,838.60 = 1,172.74 : x
  2. Step 2: Convert to fraction form
    2,056.96/2,838.60 = 1,172.74/x
  3. Step 3: Cross multiply
    2,056.96x = 2,838.60 × 1,172.74
  4. Step 4: Simplify right side
    2,056.96x = 3,328,939.76
  5. Step 5: Solve for x
    x = 3,328,939.76/2,056.96
  6. Step 6: Final answer
    x = 1,618.38

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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.