Home / 3,009.60-4,153.38-1,683.30

Finding the Fourth Proportional to 3,009.60, 4,153.38 and 1,683.30

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Solution

The fourth proportional to 3,009.60, 4,153.38 and 1,683.30 is: 2,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.60 : 4,153.38 = 1,683.30 : x
  2. Step 2: Convert to fraction form
    3,009.60/4,153.38 = 1,683.30/x
  3. Step 3: Cross multiply
    3,009.60x = 4,153.38 × 1,683.30
  4. Step 4: Simplify right side
    3,009.60x = 6,991,384.55
  5. Step 5: Solve for x
    x = 6,991,384.55/3,009.60
  6. Step 6: Final answer
    x = 2,323.03

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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.