Home / 4,190.14-5,782.13-2,421.37

Finding the Fourth Proportional to 4,190.14, 5,782.13 and 2,421.37

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Solution

The fourth proportional to 4,190.14, 5,782.13 and 2,421.37 is: 3,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.14 : 5,782.13 = 2,421.37 : x
  2. Step 2: Convert to fraction form
    4,190.14/5,782.13 = 2,421.37/x
  3. Step 3: Cross multiply
    4,190.14x = 5,782.13 × 2,421.37
  4. Step 4: Simplify right side
    4,190.14x = 14,000,647.21
  5. Step 5: Solve for x
    x = 14,000,647.21/4,190.14
  6. Step 6: Final answer
    x = 3,341.34

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Half scale
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Double scale
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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.