Home / 4,868.80-6,719.64-2,773.12

Finding the Fourth Proportional to 4,868.80, 6,719.64 and 2,773.12

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Solution

The fourth proportional to 4,868.80, 6,719.64 and 2,773.12 is: 3,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.80 : 6,719.64 = 2,773.12 : x
  2. Step 2: Convert to fraction form
    4,868.80/6,719.64 = 2,773.12/x
  3. Step 3: Cross multiply
    4,868.80x = 6,719.64 × 2,773.12
  4. Step 4: Simplify right side
    4,868.80x = 18,634,368.08
  5. Step 5: Solve for x
    x = 18,634,368.08/4,868.80
  6. Step 6: Final answer
    x = 3,827.30

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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.