Home / 1,795.80-2,681.60-1,693.28

Finding the Fourth Proportional to 1,795.80, 2,681.60 and 1,693.28

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Solution

The fourth proportional to 1,795.80, 2,681.60 and 1,693.28 is: 2,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.80 : 2,681.60 = 1,693.28 : x
  2. Step 2: Convert to fraction form
    1,795.80/2,681.60 = 1,693.28/x
  3. Step 3: Cross multiply
    1,795.80x = 2,681.60 × 1,693.28
  4. Step 4: Simplify right side
    1,795.80x = 4,540,699.65
  5. Step 5: Solve for x
    x = 4,540,699.65/1,795.80
  6. Step 6: Final answer
    x = 2,528.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.