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Finding the Fourth Proportional to 1,865.25, 2,574.06 and 1,037.25

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Solution

The fourth proportional to 1,865.25, 2,574.06 and 1,037.25 is: 1,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.25 : 2,574.06 = 1,037.25 : x
  2. Step 2: Convert to fraction form
    1,865.25/2,574.06 = 1,037.25/x
  3. Step 3: Cross multiply
    1,865.25x = 2,574.06 × 1,037.25
  4. Step 4: Simplify right side
    1,865.25x = 2,669,943.74
  5. Step 5: Solve for x
    x = 2,669,943.74/1,865.25
  6. Step 6: Final answer
    x = 1,431.41

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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.