Home / 2,776.65-3,832.29-1,783.17

Finding the Fourth Proportional to 2,776.65, 3,832.29 and 1,783.17

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Solution

The fourth proportional to 2,776.65, 3,832.29 and 1,783.17 is: 2,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.65 : 3,832.29 = 1,783.17 : x
  2. Step 2: Convert to fraction form
    2,776.65/3,832.29 = 1,783.17/x
  3. Step 3: Cross multiply
    2,776.65x = 3,832.29 × 1,783.17
  4. Step 4: Simplify right side
    2,776.65x = 6,833,624.56
  5. Step 5: Solve for x
    x = 6,833,624.56/2,776.65
  6. Step 6: Final answer
    x = 2,461.10

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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.