Home / 5,043.35-6,959.99-2,774.78

Finding the Fourth Proportional to 5,043.35, 6,959.99 and 2,774.78

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Solution

The fourth proportional to 5,043.35, 6,959.99 and 2,774.78 is: 3,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.35 : 6,959.99 = 2,774.78 : x
  2. Step 2: Convert to fraction form
    5,043.35/6,959.99 = 2,774.78/x
  3. Step 3: Cross multiply
    5,043.35x = 6,959.99 × 2,774.78
  4. Step 4: Simplify right side
    5,043.35x = 19,312,392.38
  5. Step 5: Solve for x
    x = 19,312,392.38/5,043.35
  6. Step 6: Final answer
    x = 3,829.28

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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.