Home / 2,776.86-4,160.68-1,953.41

Finding the Fourth Proportional to 2,776.86, 4,160.68 and 1,953.41

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Solution

The fourth proportional to 2,776.86, 4,160.68 and 1,953.41 is: 2,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.86 : 4,160.68 = 1,953.41 : x
  2. Step 2: Convert to fraction form
    2,776.86/4,160.68 = 1,953.41/x
  3. Step 3: Cross multiply
    2,776.86x = 4,160.68 × 1,953.41
  4. Step 4: Simplify right side
    2,776.86x = 8,127,483.35
  5. Step 5: Solve for x
    x = 8,127,483.35/2,776.86
  6. Step 6: Final answer
    x = 2,926.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.