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Finding the Fourth Proportional to 2,752.65, 3,798.91 and 1,573.49

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Solution

The fourth proportional to 2,752.65, 3,798.91 and 1,573.49 is: 2,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.65 : 3,798.91 = 1,573.49 : x
  2. Step 2: Convert to fraction form
    2,752.65/3,798.91 = 1,573.49/x
  3. Step 3: Cross multiply
    2,752.65x = 3,798.91 × 1,573.49
  4. Step 4: Simplify right side
    2,752.65x = 5,977,549.51
  5. Step 5: Solve for x
    x = 5,977,549.51/2,752.65
  6. Step 6: Final answer
    x = 2,171.56

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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.