Home / 1,932.40-2,884.46-1,660.24

Finding the Fourth Proportional to 1,932.40, 2,884.46 and 1,660.24

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Solution

The fourth proportional to 1,932.40, 2,884.46 and 1,660.24 is: 2,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.40 : 2,884.46 = 1,660.24 : x
  2. Step 2: Convert to fraction form
    1,932.40/2,884.46 = 1,660.24/x
  3. Step 3: Cross multiply
    1,932.40x = 2,884.46 × 1,660.24
  4. Step 4: Simplify right side
    1,932.40x = 4,788,895.87
  5. Step 5: Solve for x
    x = 4,788,895.87/1,932.40
  6. Step 6: Final answer
    x = 2,478.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.