Home / 2,776.61-4,160.30-1,953.15

Finding the Fourth Proportional to 2,776.61, 4,160.30 and 1,953.15

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Solution

The fourth proportional to 2,776.61, 4,160.30 and 1,953.15 is: 2,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.61 : 4,160.30 = 1,953.15 : x
  2. Step 2: Convert to fraction form
    2,776.61/4,160.30 = 1,953.15/x
  3. Step 3: Cross multiply
    2,776.61x = 4,160.30 × 1,953.15
  4. Step 4: Simplify right side
    2,776.61x = 8,125,689.95
  5. Step 5: Solve for x
    x = 8,125,689.95/2,776.61
  6. Step 6: Final answer
    x = 2,926.48

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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.