Home / 2,092.15-2,890.11-1,905.34

Finding the Fourth Proportional to 2,092.15, 2,890.11 and 1,905.34

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Solution

The fourth proportional to 2,092.15, 2,890.11 and 1,905.34 is: 2,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.15 : 2,890.11 = 1,905.34 : x
  2. Step 2: Convert to fraction form
    2,092.15/2,890.11 = 1,905.34/x
  3. Step 3: Cross multiply
    2,092.15x = 2,890.11 × 1,905.34
  4. Step 4: Simplify right side
    2,092.15x = 5,506,642.19
  5. Step 5: Solve for x
    x = 5,506,642.19/2,092.15
  6. Step 6: Final answer
    x = 2,632.05

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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.