Home / 2,956.10-4,078.76-1,777.14

Finding the Fourth Proportional to 2,956.10, 4,078.76 and 1,777.14

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Solution

The fourth proportional to 2,956.10, 4,078.76 and 1,777.14 is: 2,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.10 : 4,078.76 = 1,777.14 : x
  2. Step 2: Convert to fraction form
    2,956.10/4,078.76 = 1,777.14/x
  3. Step 3: Cross multiply
    2,956.10x = 4,078.76 × 1,777.14
  4. Step 4: Simplify right side
    2,956.10x = 7,248,518.66
  5. Step 5: Solve for x
    x = 7,248,518.66/2,956.10
  6. Step 6: Final answer
    x = 2,452.06

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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.