Home / 2,038.73-2,812.86-1,154.50

Finding the Fourth Proportional to 2,038.73, 2,812.86 and 1,154.50

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Solution

The fourth proportional to 2,038.73, 2,812.86 and 1,154.50 is: 1,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.73 : 2,812.86 = 1,154.50 : x
  2. Step 2: Convert to fraction form
    2,038.73/2,812.86 = 1,154.50/x
  3. Step 3: Cross multiply
    2,038.73x = 2,812.86 × 1,154.50
  4. Step 4: Simplify right side
    2,038.73x = 3,247,439.84
  5. Step 5: Solve for x
    x = 3,247,439.84/2,038.73
  6. Step 6: Final answer
    x = 1,592.88

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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.