Home / 1,777.09-2,452.58-1,031.04

Finding the Fourth Proportional to 1,777.09, 2,452.58 and 1,031.04

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Solution

The fourth proportional to 1,777.09, 2,452.58 and 1,031.04 is: 1,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.09 : 2,452.58 = 1,031.04 : x
  2. Step 2: Convert to fraction form
    1,777.09/2,452.58 = 1,031.04/x
  3. Step 3: Cross multiply
    1,777.09x = 2,452.58 × 1,031.04
  4. Step 4: Simplify right side
    1,777.09x = 2,528,708.08
  5. Step 5: Solve for x
    x = 2,528,708.08/1,777.09
  6. Step 6: Final answer
    x = 1,422.95

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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.