Home / 2,337.36-3,219.72-2,187.60

Finding the Fourth Proportional to 2,337.36, 3,219.72 and 2,187.60

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Solution

The fourth proportional to 2,337.36, 3,219.72 and 2,187.60 is: 3,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.36 : 3,219.72 = 2,187.60 : x
  2. Step 2: Convert to fraction form
    2,337.36/3,219.72 = 2,187.60/x
  3. Step 3: Cross multiply
    2,337.36x = 3,219.72 × 2,187.60
  4. Step 4: Simplify right side
    2,337.36x = 7,043,459.47
  5. Step 5: Solve for x
    x = 7,043,459.47/2,337.36
  6. Step 6: Final answer
    x = 3,013.43

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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.