Home / 3,155.58-4,354.92-1,758.33

Finding the Fourth Proportional to 3,155.58, 4,354.92 and 1,758.33

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Solution

The fourth proportional to 3,155.58, 4,354.92 and 1,758.33 is: 2,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.58 : 4,354.92 = 1,758.33 : x
  2. Step 2: Convert to fraction form
    3,155.58/4,354.92 = 1,758.33/x
  3. Step 3: Cross multiply
    3,155.58x = 4,354.92 × 1,758.33
  4. Step 4: Simplify right side
    3,155.58x = 7,657,386.48
  5. Step 5: Solve for x
    x = 7,657,386.48/3,155.58
  6. Step 6: Final answer
    x = 2,426.62

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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.