Home / 2,461.85-3,397.85-1,577.73

Finding the Fourth Proportional to 2,461.85, 3,397.85 and 1,577.73

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Solution

The fourth proportional to 2,461.85, 3,397.85 and 1,577.73 is: 2,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.85 : 3,397.85 = 1,577.73 : x
  2. Step 2: Convert to fraction form
    2,461.85/3,397.85 = 1,577.73/x
  3. Step 3: Cross multiply
    2,461.85x = 3,397.85 × 1,577.73
  4. Step 4: Simplify right side
    2,461.85x = 5,360,889.88
  5. Step 5: Solve for x
    x = 5,360,889.88/2,461.85
  6. Step 6: Final answer
    x = 2,177.59

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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.