Home / 1,817.29-2,507.47-1,070.97

Finding the Fourth Proportional to 1,817.29, 2,507.47 and 1,070.97

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Solution

The fourth proportional to 1,817.29, 2,507.47 and 1,070.97 is: 1,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.29 : 2,507.47 = 1,070.97 : x
  2. Step 2: Convert to fraction form
    1,817.29/2,507.47 = 1,070.97/x
  3. Step 3: Cross multiply
    1,817.29x = 2,507.47 × 1,070.97
  4. Step 4: Simplify right side
    1,817.29x = 2,685,425.15
  5. Step 5: Solve for x
    x = 2,685,425.15/1,817.29
  6. Step 6: Final answer
    x = 1,477.71

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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.