Home / 2,101.21-3,152.67-1,483.58

Finding the Fourth Proportional to 2,101.21, 3,152.67 and 1,483.58

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Solution

The fourth proportional to 2,101.21, 3,152.67 and 1,483.58 is: 2,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.21 : 3,152.67 = 1,483.58 : x
  2. Step 2: Convert to fraction form
    2,101.21/3,152.67 = 1,483.58/x
  3. Step 3: Cross multiply
    2,101.21x = 3,152.67 × 1,483.58
  4. Step 4: Simplify right side
    2,101.21x = 4,677,238.16
  5. Step 5: Solve for x
    x = 4,677,238.16/2,101.21
  6. Step 6: Final answer
    x = 2,225.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.