Home / 3,012.04-4,156.62-1,685.68

Finding the Fourth Proportional to 3,012.04, 4,156.62 and 1,685.68

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Solution

The fourth proportional to 3,012.04, 4,156.62 and 1,685.68 is: 2,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.04 : 4,156.62 = 1,685.68 : x
  2. Step 2: Convert to fraction form
    3,012.04/4,156.62 = 1,685.68/x
  3. Step 3: Cross multiply
    3,012.04x = 4,156.62 × 1,685.68
  4. Step 4: Simplify right side
    3,012.04x = 7,006,731.20
  5. Step 5: Solve for x
    x = 7,006,731.20/3,012.04
  6. Step 6: Final answer
    x = 2,326.24

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Half scale
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Double scale
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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.