Home / 4,955.94-6,838.70-2,860.74

Finding the Fourth Proportional to 4,955.94, 6,838.70 and 2,860.74

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Solution

The fourth proportional to 4,955.94, 6,838.70 and 2,860.74 is: 3,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.94 : 6,838.70 = 2,860.74 : x
  2. Step 2: Convert to fraction form
    4,955.94/6,838.70 = 2,860.74/x
  3. Step 3: Cross multiply
    4,955.94x = 6,838.70 × 2,860.74
  4. Step 4: Simplify right side
    4,955.94x = 19,563,701.29
  5. Step 5: Solve for x
    x = 19,563,701.29/4,955.94
  6. Step 6: Final answer
    x = 3,947.53

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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.