Home / 1,698.32-2,343.12-1,034.96

Finding the Fourth Proportional to 1,698.32, 2,343.12 and 1,034.96

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Solution

The fourth proportional to 1,698.32, 2,343.12 and 1,034.96 is: 1,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.32 : 2,343.12 = 1,034.96 : x
  2. Step 2: Convert to fraction form
    1,698.32/2,343.12 = 1,034.96/x
  3. Step 3: Cross multiply
    1,698.32x = 2,343.12 × 1,034.96
  4. Step 4: Simplify right side
    1,698.32x = 2,425,035.48
  5. Step 5: Solve for x
    x = 2,425,035.48/1,698.32
  6. Step 6: Final answer
    x = 1,427.90

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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.