Home / 2,816.70-4,225.95-1,783.14

Finding the Fourth Proportional to 2,816.70, 4,225.95 and 1,783.14

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Solution

The fourth proportional to 2,816.70, 4,225.95 and 1,783.14 is: 2,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.70 : 4,225.95 = 1,783.14 : x
  2. Step 2: Convert to fraction form
    2,816.70/4,225.95 = 1,783.14/x
  3. Step 3: Cross multiply
    2,816.70x = 4,225.95 × 1,783.14
  4. Step 4: Simplify right side
    2,816.70x = 7,535,460.48
  5. Step 5: Solve for x
    x = 7,535,460.48/2,816.70
  6. Step 6: Final answer
    x = 2,675.28

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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.