Home / 2,042.10-3,063.15-1,904.40

Finding the Fourth Proportional to 2,042.10, 3,063.15 and 1,904.40

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Solution

The fourth proportional to 2,042.10, 3,063.15 and 1,904.40 is: 2,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.10 : 3,063.15 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    2,042.10/3,063.15 = 1,904.40/x
  3. Step 3: Cross multiply
    2,042.10x = 3,063.15 × 1,904.40
  4. Step 4: Simplify right side
    2,042.10x = 5,833,462.86
  5. Step 5: Solve for x
    x = 5,833,462.86/2,042.10
  6. Step 6: Final answer
    x = 2,856.60

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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.