Home / 2,031.73-2,803.64-1,192.47

Finding the Fourth Proportional to 2,031.73, 2,803.64 and 1,192.47

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Solution

The fourth proportional to 2,031.73, 2,803.64 and 1,192.47 is: 1,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.73 : 2,803.64 = 1,192.47 : x
  2. Step 2: Convert to fraction form
    2,031.73/2,803.64 = 1,192.47/x
  3. Step 3: Cross multiply
    2,031.73x = 2,803.64 × 1,192.47
  4. Step 4: Simplify right side
    2,031.73x = 3,343,236.61
  5. Step 5: Solve for x
    x = 3,343,236.61/2,031.73
  6. Step 6: Final answer
    x = 1,645.52

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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.