Home / 2,472.14-3,411.60-1,353.12

Finding the Fourth Proportional to 2,472.14, 3,411.60 and 1,353.12

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Solution

The fourth proportional to 2,472.14, 3,411.60 and 1,353.12 is: 1,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.14 : 3,411.60 = 1,353.12 : x
  2. Step 2: Convert to fraction form
    2,472.14/3,411.60 = 1,353.12/x
  3. Step 3: Cross multiply
    2,472.14x = 3,411.60 × 1,353.12
  4. Step 4: Simplify right side
    2,472.14x = 4,616,313.13
  5. Step 5: Solve for x
    x = 4,616,313.13/2,472.14
  6. Step 6: Final answer
    x = 1,867.34

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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.