Home / 1,795.49-2,478.09-1,131.83

Finding the Fourth Proportional to 1,795.49, 2,478.09 and 1,131.83

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Solution

The fourth proportional to 1,795.49, 2,478.09 and 1,131.83 is: 1,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.49 : 2,478.09 = 1,131.83 : x
  2. Step 2: Convert to fraction form
    1,795.49/2,478.09 = 1,131.83/x
  3. Step 3: Cross multiply
    1,795.49x = 2,478.09 × 1,131.83
  4. Step 4: Simplify right side
    1,795.49x = 2,804,776.60
  5. Step 5: Solve for x
    x = 2,804,776.60/1,795.49
  6. Step 6: Final answer
    x = 1,562.12

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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.