Home / 2,006.48-2,762.44-1,384.40

Finding the Fourth Proportional to 2,006.48, 2,762.44 and 1,384.40

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Solution

The fourth proportional to 2,006.48, 2,762.44 and 1,384.40 is: 1,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.48 : 2,762.44 = 1,384.40 : x
  2. Step 2: Convert to fraction form
    2,006.48/2,762.44 = 1,384.40/x
  3. Step 3: Cross multiply
    2,006.48x = 2,762.44 × 1,384.40
  4. Step 4: Simplify right side
    2,006.48x = 3,824,321.94
  5. Step 5: Solve for x
    x = 3,824,321.94/2,006.48
  6. Step 6: Final answer
    x = 1,905.99

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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.