Home / 2,373.22-3,273.87-1,428.76

Finding the Fourth Proportional to 2,373.22, 3,273.87 and 1,428.76

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Solution

The fourth proportional to 2,373.22, 3,273.87 and 1,428.76 is: 1,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.22 : 3,273.87 = 1,428.76 : x
  2. Step 2: Convert to fraction form
    2,373.22/3,273.87 = 1,428.76/x
  3. Step 3: Cross multiply
    2,373.22x = 3,273.87 × 1,428.76
  4. Step 4: Simplify right side
    2,373.22x = 4,677,574.50
  5. Step 5: Solve for x
    x = 4,677,574.50/2,373.22
  6. Step 6: Final answer
    x = 1,970.98

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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.