Home / 3,016.02-4,162.68-1,690.32

Finding the Fourth Proportional to 3,016.02, 4,162.68 and 1,690.32

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Solution

The fourth proportional to 3,016.02, 4,162.68 and 1,690.32 is: 2,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.02 : 4,162.68 = 1,690.32 : x
  2. Step 2: Convert to fraction form
    3,016.02/4,162.68 = 1,690.32/x
  3. Step 3: Cross multiply
    3,016.02x = 4,162.68 × 1,690.32
  4. Step 4: Simplify right side
    3,016.02x = 7,036,261.26
  5. Step 5: Solve for x
    x = 7,036,261.26/3,016.02
  6. Step 6: Final answer
    x = 2,332.96

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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.