Home / 4,012.08-5,538.96-2,690.16

Finding the Fourth Proportional to 4,012.08, 5,538.96 and 2,690.16

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Solution

The fourth proportional to 4,012.08, 5,538.96 and 2,690.16 is: 3,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.08 : 5,538.96 = 2,690.16 : x
  2. Step 2: Convert to fraction form
    4,012.08/5,538.96 = 2,690.16/x
  3. Step 3: Cross multiply
    4,012.08x = 5,538.96 × 2,690.16
  4. Step 4: Simplify right side
    4,012.08x = 14,900,688.63
  5. Step 5: Solve for x
    x = 14,900,688.63/4,012.08
  6. Step 6: Final answer
    x = 3,713.96

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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.