Home / 5,040.11-6,955.89-2,886.84

Finding the Fourth Proportional to 5,040.11, 6,955.89 and 2,886.84

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Solution

The fourth proportional to 5,040.11, 6,955.89 and 2,886.84 is: 3,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.11 : 6,955.89 = 2,886.84 : x
  2. Step 2: Convert to fraction form
    5,040.11/6,955.89 = 2,886.84/x
  3. Step 3: Cross multiply
    5,040.11x = 6,955.89 × 2,886.84
  4. Step 4: Simplify right side
    5,040.11x = 20,080,541.49
  5. Step 5: Solve for x
    x = 20,080,541.49/5,040.11
  6. Step 6: Final answer
    x = 3,984.15

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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.