Home / 3,436.48-4,742.12-1,924

Finding the Fourth Proportional to 3,436.48, 4,742.12 and 1,924

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Solution

The fourth proportional to 3,436.48, 4,742.12 and 1,924 is: 2,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.48 : 4,742.12 = 1,924 : x
  2. Step 2: Convert to fraction form
    3,436.48/4,742.12 = 1,924/x
  3. Step 3: Cross multiply
    3,436.48x = 4,742.12 × 1,924
  4. Step 4: Simplify right side
    3,436.48x = 9,123,838.88
  5. Step 5: Solve for x
    x = 9,123,838.88/3,436.48
  6. Step 6: Final answer
    x = 2,655.00

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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.