Home / 2,038.01-2,812.42-1,153.95

Finding the Fourth Proportional to 2,038.01, 2,812.42 and 1,153.95

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Solution

The fourth proportional to 2,038.01, 2,812.42 and 1,153.95 is: 1,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.01 : 2,812.42 = 1,153.95 : x
  2. Step 2: Convert to fraction form
    2,038.01/2,812.42 = 1,153.95/x
  3. Step 3: Cross multiply
    2,038.01x = 2,812.42 × 1,153.95
  4. Step 4: Simplify right side
    2,038.01x = 3,245,382.95
  5. Step 5: Solve for x
    x = 3,245,382.95/2,038.01
  6. Step 6: Final answer
    x = 1,592.43

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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.