Home / 4,938.71-6,815.05-2,700.63

Finding the Fourth Proportional to 4,938.71, 6,815.05 and 2,700.63

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Solution

The fourth proportional to 4,938.71, 6,815.05 and 2,700.63 is: 3,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.71 : 6,815.05 = 2,700.63 : x
  2. Step 2: Convert to fraction form
    4,938.71/6,815.05 = 2,700.63/x
  3. Step 3: Cross multiply
    4,938.71x = 6,815.05 × 2,700.63
  4. Step 4: Simplify right side
    4,938.71x = 18,404,928.48
  5. Step 5: Solve for x
    x = 18,404,928.48/4,938.71
  6. Step 6: Final answer
    x = 3,726.67

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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.