Home / 2,929.37-4,042.22-1,603.08

Finding the Fourth Proportional to 2,929.37, 4,042.22 and 1,603.08

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Solution

The fourth proportional to 2,929.37, 4,042.22 and 1,603.08 is: 2,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.37 : 4,042.22 = 1,603.08 : x
  2. Step 2: Convert to fraction form
    2,929.37/4,042.22 = 1,603.08/x
  3. Step 3: Cross multiply
    2,929.37x = 4,042.22 × 1,603.08
  4. Step 4: Simplify right side
    2,929.37x = 6,479,994.02
  5. Step 5: Solve for x
    x = 6,479,994.02/2,929.37
  6. Step 6: Final answer
    x = 2,212.08

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1.5x scale

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.