Home / 1,875.66-2,589.03-1,177.26

Finding the Fourth Proportional to 1,875.66, 2,589.03 and 1,177.26

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Solution

The fourth proportional to 1,875.66, 2,589.03 and 1,177.26 is: 1,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.66 : 2,589.03 = 1,177.26 : x
  2. Step 2: Convert to fraction form
    1,875.66/2,589.03 = 1,177.26/x
  3. Step 3: Cross multiply
    1,875.66x = 2,589.03 × 1,177.26
  4. Step 4: Simplify right side
    1,875.66x = 3,047,961.46
  5. Step 5: Solve for x
    x = 3,047,961.46/1,875.66
  6. Step 6: Final answer
    x = 1,625.01

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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.