Home / 4,180.10-5,768.45-2,291.63

Finding the Fourth Proportional to 4,180.10, 5,768.45 and 2,291.63

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Solution

The fourth proportional to 4,180.10, 5,768.45 and 2,291.63 is: 3,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.10 : 5,768.45 = 2,291.63 : x
  2. Step 2: Convert to fraction form
    4,180.10/5,768.45 = 2,291.63/x
  3. Step 3: Cross multiply
    4,180.10x = 5,768.45 × 2,291.63
  4. Step 4: Simplify right side
    4,180.10x = 13,219,129.96
  5. Step 5: Solve for x
    x = 13,219,129.96/4,180.10
  6. Step 6: Final answer
    x = 3,162.40

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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.