Home / 2,038.18-2,812.68-1,106.68

Finding the Fourth Proportional to 2,038.18, 2,812.68 and 1,106.68

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Solution

The fourth proportional to 2,038.18, 2,812.68 and 1,106.68 is: 1,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.18 : 2,812.68 = 1,106.68 : x
  2. Step 2: Convert to fraction form
    2,038.18/2,812.68 = 1,106.68/x
  3. Step 3: Cross multiply
    2,038.18x = 2,812.68 × 1,106.68
  4. Step 4: Simplify right side
    2,038.18x = 3,112,736.70
  5. Step 5: Solve for x
    x = 3,112,736.70/2,038.18
  6. Step 6: Final answer
    x = 1,527.21

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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.