Home / 3,001.51-4,143.44-1,807.03

Finding the Fourth Proportional to 3,001.51, 4,143.44 and 1,807.03

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Solution

The fourth proportional to 3,001.51, 4,143.44 and 1,807.03 is: 2,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.51 : 4,143.44 = 1,807.03 : x
  2. Step 2: Convert to fraction form
    3,001.51/4,143.44 = 1,807.03/x
  3. Step 3: Cross multiply
    3,001.51x = 4,143.44 × 1,807.03
  4. Step 4: Simplify right side
    3,001.51x = 7,487,320.38
  5. Step 5: Solve for x
    x = 7,487,320.38/3,001.51
  6. Step 6: Final answer
    x = 2,494.52

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Half scale
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Double scale
Find fourth proportional to 3,002.51, 4,144.82 and 1,808.03
Similar ratio
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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.