Home / 1,745.92-2,409.32-1,038.08

Finding the Fourth Proportional to 1,745.92, 2,409.32 and 1,038.08

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Solution

The fourth proportional to 1,745.92, 2,409.32 and 1,038.08 is: 1,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.92 : 2,409.32 = 1,038.08 : x
  2. Step 2: Convert to fraction form
    1,745.92/2,409.32 = 1,038.08/x
  3. Step 3: Cross multiply
    1,745.92x = 2,409.32 × 1,038.08
  4. Step 4: Simplify right side
    1,745.92x = 2,501,066.91
  5. Step 5: Solve for x
    x = 2,501,066.91/1,745.92
  6. Step 6: Final answer
    x = 1,432.52

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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.