Home / 2,922.06-4,031.73-1,875.54

Finding the Fourth Proportional to 2,922.06, 4,031.73 and 1,875.54

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Solution

The fourth proportional to 2,922.06, 4,031.73 and 1,875.54 is: 2,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.06 : 4,031.73 = 1,875.54 : x
  2. Step 2: Convert to fraction form
    2,922.06/4,031.73 = 1,875.54/x
  3. Step 3: Cross multiply
    2,922.06x = 4,031.73 × 1,875.54
  4. Step 4: Simplify right side
    2,922.06x = 7,561,670.88
  5. Step 5: Solve for x
    x = 7,561,670.88/2,922.06
  6. Step 6: Final answer
    x = 2,587.79

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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.