Home / 5,919.12-8,167.44-3,528.32

Finding the Fourth Proportional to 5,919.12, 8,167.44 and 3,528.32

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Solution

The fourth proportional to 5,919.12, 8,167.44 and 3,528.32 is: 4,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.12 : 8,167.44 = 3,528.32 : x
  2. Step 2: Convert to fraction form
    5,919.12/8,167.44 = 3,528.32/x
  3. Step 3: Cross multiply
    5,919.12x = 8,167.44 × 3,528.32
  4. Step 4: Simplify right side
    5,919.12x = 28,817,341.90
  5. Step 5: Solve for x
    x = 28,817,341.90/5,919.12
  6. Step 6: Final answer
    x = 4,868.52

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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.