Home / 6,919.28-9,548.80-3,775.52

Finding the Fourth Proportional to 6,919.28, 9,548.80 and 3,775.52

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Solution

The fourth proportional to 6,919.28, 9,548.80 and 3,775.52 is: 5,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.28 : 9,548.80 = 3,775.52 : x
  2. Step 2: Convert to fraction form
    6,919.28/9,548.80 = 3,775.52/x
  3. Step 3: Cross multiply
    6,919.28x = 9,548.80 × 3,775.52
  4. Step 4: Simplify right side
    6,919.28x = 36,051,685.38
  5. Step 5: Solve for x
    x = 36,051,685.38/6,919.28
  6. Step 6: Final answer
    x = 5,210.32

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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.