Home / 3,009.51-4,152.57-1,683.23

Finding the Fourth Proportional to 3,009.51, 4,152.57 and 1,683.23

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Solution

The fourth proportional to 3,009.51, 4,152.57 and 1,683.23 is: 2,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.51 : 4,152.57 = 1,683.23 : x
  2. Step 2: Convert to fraction form
    3,009.51/4,152.57 = 1,683.23/x
  3. Step 3: Cross multiply
    3,009.51x = 4,152.57 × 1,683.23
  4. Step 4: Simplify right side
    3,009.51x = 6,989,709.64
  5. Step 5: Solve for x
    x = 6,989,709.64/3,009.51
  6. Step 6: Final answer
    x = 2,322.54

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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.