Home / 2,056.59-2,838.11-1,172.48

Finding the Fourth Proportional to 2,056.59, 2,838.11 and 1,172.48

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Solution

The fourth proportional to 2,056.59, 2,838.11 and 1,172.48 is: 1,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.59 : 2,838.11 = 1,172.48 : x
  2. Step 2: Convert to fraction form
    2,056.59/2,838.11 = 1,172.48/x
  3. Step 3: Cross multiply
    2,056.59x = 2,838.11 × 1,172.48
  4. Step 4: Simplify right side
    2,056.59x = 3,327,607.16
  5. Step 5: Solve for x
    x = 3,327,607.16/2,056.59
  6. Step 6: Final answer
    x = 1,618.02

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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.