Home / 2,929.96-4,043.44-1,603.76

Finding the Fourth Proportional to 2,929.96, 4,043.44 and 1,603.76

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Solution

The fourth proportional to 2,929.96, 4,043.44 and 1,603.76 is: 2,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.96 : 4,043.44 = 1,603.76 : x
  2. Step 2: Convert to fraction form
    2,929.96/4,043.44 = 1,603.76/x
  3. Step 3: Cross multiply
    2,929.96x = 4,043.44 × 1,603.76
  4. Step 4: Simplify right side
    2,929.96x = 6,484,707.33
  5. Step 5: Solve for x
    x = 6,484,707.33/2,929.96
  6. Step 6: Final answer
    x = 2,213.24

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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.