Home / 2,191.70-3,283.90-1,541.06

Finding the Fourth Proportional to 2,191.70, 3,283.90 and 1,541.06

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Solution

The fourth proportional to 2,191.70, 3,283.90 and 1,541.06 is: 2,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.70 : 3,283.90 = 1,541.06 : x
  2. Step 2: Convert to fraction form
    2,191.70/3,283.90 = 1,541.06/x
  3. Step 3: Cross multiply
    2,191.70x = 3,283.90 × 1,541.06
  4. Step 4: Simplify right side
    2,191.70x = 5,060,686.93
  5. Step 5: Solve for x
    x = 5,060,686.93/2,191.70
  6. Step 6: Final answer
    x = 2,309.02

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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.