Home / 3,742.80-5,165.16-2,064.24

Finding the Fourth Proportional to 3,742.80, 5,165.16 and 2,064.24

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Solution

The fourth proportional to 3,742.80, 5,165.16 and 2,064.24 is: 2,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.80 : 5,165.16 = 2,064.24 : x
  2. Step 2: Convert to fraction form
    3,742.80/5,165.16 = 2,064.24/x
  3. Step 3: Cross multiply
    3,742.80x = 5,165.16 × 2,064.24
  4. Step 4: Simplify right side
    3,742.80x = 10,662,129.88
  5. Step 5: Solve for x
    x = 10,662,129.88/3,742.80
  6. Step 6: Final answer
    x = 2,848.70

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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.