Home / 3,749.10-5,173.63-2,070.48

Finding the Fourth Proportional to 3,749.10, 5,173.63 and 2,070.48

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Solution

The fourth proportional to 3,749.10, 5,173.63 and 2,070.48 is: 2,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.10 : 5,173.63 = 2,070.48 : x
  2. Step 2: Convert to fraction form
    3,749.10/5,173.63 = 2,070.48/x
  3. Step 3: Cross multiply
    3,749.10x = 5,173.63 × 2,070.48
  4. Step 4: Simplify right side
    3,749.10x = 10,711,897.44
  5. Step 5: Solve for x
    x = 10,711,897.44/3,749.10
  6. Step 6: Final answer
    x = 2,857.19

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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.