Home / 2,841.36-4,251.72-2,070.48

Finding the Fourth Proportional to 2,841.36, 4,251.72 and 2,070.48

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Solution

The fourth proportional to 2,841.36, 4,251.72 and 2,070.48 is: 3,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.36 : 4,251.72 = 2,070.48 : x
  2. Step 2: Convert to fraction form
    2,841.36/4,251.72 = 2,070.48/x
  3. Step 3: Cross multiply
    2,841.36x = 4,251.72 × 2,070.48
  4. Step 4: Simplify right side
    2,841.36x = 8,803,101.23
  5. Step 5: Solve for x
    x = 8,803,101.23/2,841.36
  6. Step 6: Final answer
    x = 3,098.20

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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.