Home / 4,741.20-6,542.72-2,645.28

Finding the Fourth Proportional to 4,741.20, 6,542.72 and 2,645.28

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Solution

The fourth proportional to 4,741.20, 6,542.72 and 2,645.28 is: 3,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.20 : 6,542.72 = 2,645.28 : x
  2. Step 2: Convert to fraction form
    4,741.20/6,542.72 = 2,645.28/x
  3. Step 3: Cross multiply
    4,741.20x = 6,542.72 × 2,645.28
  4. Step 4: Simplify right side
    4,741.20x = 17,307,326.36
  5. Step 5: Solve for x
    x = 17,307,326.36/4,741.20
  6. Step 6: Final answer
    x = 3,650.41

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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.