Home / 2,903.32-4,007.19-1,783.99

Finding the Fourth Proportional to 2,903.32, 4,007.19 and 1,783.99

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Solution

The fourth proportional to 2,903.32, 4,007.19 and 1,783.99 is: 2,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.32 : 4,007.19 = 1,783.99 : x
  2. Step 2: Convert to fraction form
    2,903.32/4,007.19 = 1,783.99/x
  3. Step 3: Cross multiply
    2,903.32x = 4,007.19 × 1,783.99
  4. Step 4: Simplify right side
    2,903.32x = 7,148,786.89
  5. Step 5: Solve for x
    x = 7,148,786.89/2,903.32
  6. Step 6: Final answer
    x = 2,462.28

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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.