Home / 2,056.50-3,083.40-1,398.60

Finding the Fourth Proportional to 2,056.50, 3,083.40 and 1,398.60

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Solution

The fourth proportional to 2,056.50, 3,083.40 and 1,398.60 is: 2,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.50 : 3,083.40 = 1,398.60 : x
  2. Step 2: Convert to fraction form
    2,056.50/3,083.40 = 1,398.60/x
  3. Step 3: Cross multiply
    2,056.50x = 3,083.40 × 1,398.60
  4. Step 4: Simplify right side
    2,056.50x = 4,312,443.24
  5. Step 5: Solve for x
    x = 4,312,443.24/2,056.50
  6. Step 6: Final answer
    x = 2,096.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.