Home / 2,193.24-3,025.40-1,353.72

Finding the Fourth Proportional to 2,193.24, 3,025.40 and 1,353.72

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Solution

The fourth proportional to 2,193.24, 3,025.40 and 1,353.72 is: 1,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.24 : 3,025.40 = 1,353.72 : x
  2. Step 2: Convert to fraction form
    2,193.24/3,025.40 = 1,353.72/x
  3. Step 3: Cross multiply
    2,193.24x = 3,025.40 × 1,353.72
  4. Step 4: Simplify right side
    2,193.24x = 4,095,544.49
  5. Step 5: Solve for x
    x = 4,095,544.49/2,193.24
  6. Step 6: Final answer
    x = 1,867.35

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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.