Home / 4,866.85-6,716.13-2,742.35

Finding the Fourth Proportional to 4,866.85, 6,716.13 and 2,742.35

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Solution

The fourth proportional to 4,866.85, 6,716.13 and 2,742.35 is: 3,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.85 : 6,716.13 = 2,742.35 : x
  2. Step 2: Convert to fraction form
    4,866.85/6,716.13 = 2,742.35/x
  3. Step 3: Cross multiply
    4,866.85x = 6,716.13 × 2,742.35
  4. Step 4: Simplify right side
    4,866.85x = 18,417,979.11
  5. Step 5: Solve for x
    x = 18,417,979.11/4,866.85
  6. Step 6: Final answer
    x = 3,784.38

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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.