Home / 3,491.58-5,261.22-2,888.52

Finding the Fourth Proportional to 3,491.58, 5,261.22 and 2,888.52

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Solution

The fourth proportional to 3,491.58, 5,261.22 and 2,888.52 is: 4,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.58 : 5,261.22 = 2,888.52 : x
  2. Step 2: Convert to fraction form
    3,491.58/5,261.22 = 2,888.52/x
  3. Step 3: Cross multiply
    3,491.58x = 5,261.22 × 2,888.52
  4. Step 4: Simplify right side
    3,491.58x = 15,197,139.19
  5. Step 5: Solve for x
    x = 15,197,139.19/3,491.58
  6. Step 6: Final answer
    x = 4,352.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.