Home / 6,919.30-9,548.61-3,775.49

Finding the Fourth Proportional to 6,919.30, 9,548.61 and 3,775.49

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Solution

The fourth proportional to 6,919.30, 9,548.61 and 3,775.49 is: 5,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.30 : 9,548.61 = 3,775.49 : x
  2. Step 2: Convert to fraction form
    6,919.30/9,548.61 = 3,775.49/x
  3. Step 3: Cross multiply
    6,919.30x = 9,548.61 × 3,775.49
  4. Step 4: Simplify right side
    6,919.30x = 36,050,681.57
  5. Step 5: Solve for x
    x = 36,050,681.57/6,919.30
  6. Step 6: Final answer
    x = 5,210.16

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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.