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Finding the Fourth Proportional to 1,875.99, 2,588.83 and 1,090.02

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Solution

The fourth proportional to 1,875.99, 2,588.83 and 1,090.02 is: 1,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.99 : 2,588.83 = 1,090.02 : x
  2. Step 2: Convert to fraction form
    1,875.99/2,588.83 = 1,090.02/x
  3. Step 3: Cross multiply
    1,875.99x = 2,588.83 × 1,090.02
  4. Step 4: Simplify right side
    1,875.99x = 2,821,883.46
  5. Step 5: Solve for x
    x = 2,821,883.46/1,875.99
  6. Step 6: Final answer
    x = 1,504.21

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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.