Home / 2,917.32-4,025.88-1,658.34

Finding the Fourth Proportional to 2,917.32, 4,025.88 and 1,658.34

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Solution

The fourth proportional to 2,917.32, 4,025.88 and 1,658.34 is: 2,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.32 : 4,025.88 = 1,658.34 : x
  2. Step 2: Convert to fraction form
    2,917.32/4,025.88 = 1,658.34/x
  3. Step 3: Cross multiply
    2,917.32x = 4,025.88 × 1,658.34
  4. Step 4: Simplify right side
    2,917.32x = 6,676,277.84
  5. Step 5: Solve for x
    x = 6,676,277.84/2,917.32
  6. Step 6: Final answer
    x = 2,288.50

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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.