Home / 1,676.60-2,313.35-1,013.32

Finding the Fourth Proportional to 1,676.60, 2,313.35 and 1,013.32

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Solution

The fourth proportional to 1,676.60, 2,313.35 and 1,013.32 is: 1,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.60 : 2,313.35 = 1,013.32 : x
  2. Step 2: Convert to fraction form
    1,676.60/2,313.35 = 1,013.32/x
  3. Step 3: Cross multiply
    1,676.60x = 2,313.35 × 1,013.32
  4. Step 4: Simplify right side
    1,676.60x = 2,344,163.82
  5. Step 5: Solve for x
    x = 2,344,163.82/1,676.60
  6. Step 6: Final answer
    x = 1,398.17

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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.