Home / 1,750.39-2,415.56-1,004.32

Finding the Fourth Proportional to 1,750.39, 2,415.56 and 1,004.32

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Solution

The fourth proportional to 1,750.39, 2,415.56 and 1,004.32 is: 1,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.39 : 2,415.56 = 1,004.32 : x
  2. Step 2: Convert to fraction form
    1,750.39/2,415.56 = 1,004.32/x
  3. Step 3: Cross multiply
    1,750.39x = 2,415.56 × 1,004.32
  4. Step 4: Simplify right side
    1,750.39x = 2,425,978.12
  5. Step 5: Solve for x
    x = 2,425,978.12/1,750.39
  6. Step 6: Final answer
    x = 1,385.97

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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.