Home / 1,924.19-2,655.86-1,178.01

Finding the Fourth Proportional to 1,924.19, 2,655.86 and 1,178.01

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Solution

The fourth proportional to 1,924.19, 2,655.86 and 1,178.01 is: 1,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.19 : 2,655.86 = 1,178.01 : x
  2. Step 2: Convert to fraction form
    1,924.19/2,655.86 = 1,178.01/x
  3. Step 3: Cross multiply
    1,924.19x = 2,655.86 × 1,178.01
  4. Step 4: Simplify right side
    1,924.19x = 3,128,623.75
  5. Step 5: Solve for x
    x = 3,128,623.75/1,924.19
  6. Step 6: Final answer
    x = 1,625.94

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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.