Home / 2,193.10-3,021.33-1,528.74

Finding the Fourth Proportional to 2,193.10, 3,021.33 and 1,528.74

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Solution

The fourth proportional to 2,193.10, 3,021.33 and 1,528.74 is: 2,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.10 : 3,021.33 = 1,528.74 : x
  2. Step 2: Convert to fraction form
    2,193.10/3,021.33 = 1,528.74/x
  3. Step 3: Cross multiply
    2,193.10x = 3,021.33 × 1,528.74
  4. Step 4: Simplify right side
    2,193.10x = 4,618,828.02
  5. Step 5: Solve for x
    x = 4,618,828.02/2,193.10
  6. Step 6: Final answer
    x = 2,106.07

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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.