Home / 2,074.08-2,862.20-1,142.58

Finding the Fourth Proportional to 2,074.08, 2,862.20 and 1,142.58

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Solution

The fourth proportional to 2,074.08, 2,862.20 and 1,142.58 is: 1,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.08 : 2,862.20 = 1,142.58 : x
  2. Step 2: Convert to fraction form
    2,074.08/2,862.20 = 1,142.58/x
  3. Step 3: Cross multiply
    2,074.08x = 2,862.20 × 1,142.58
  4. Step 4: Simplify right side
    2,074.08x = 3,270,292.48
  5. Step 5: Solve for x
    x = 3,270,292.48/2,074.08
  6. Step 6: Final answer
    x = 1,576.74

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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.