Home / 4,180.17-5,768.72-2,291.63

Finding the Fourth Proportional to 4,180.17, 5,768.72 and 2,291.63

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Solution

The fourth proportional to 4,180.17, 5,768.72 and 2,291.63 is: 3,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.17 : 5,768.72 = 2,291.63 : x
  2. Step 2: Convert to fraction form
    4,180.17/5,768.72 = 2,291.63/x
  3. Step 3: Cross multiply
    4,180.17x = 5,768.72 × 2,291.63
  4. Step 4: Simplify right side
    4,180.17x = 13,219,731.51
  5. Step 5: Solve for x
    x = 13,219,731.51/4,180.17
  6. Step 6: Final answer
    x = 3,162.49

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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.