Home / 1,924.58-2,656.26-1,139.01

Finding the Fourth Proportional to 1,924.58, 2,656.26 and 1,139.01

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Solution

The fourth proportional to 1,924.58, 2,656.26 and 1,139.01 is: 1,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.58 : 2,656.26 = 1,139.01 : x
  2. Step 2: Convert to fraction form
    1,924.58/2,656.26 = 1,139.01/x
  3. Step 3: Cross multiply
    1,924.58x = 2,656.26 × 1,139.01
  4. Step 4: Simplify right side
    1,924.58x = 3,025,506.70
  5. Step 5: Solve for x
    x = 3,025,506.70/1,924.58
  6. Step 6: Final answer
    x = 1,572.04

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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.