Home / 3,451.14-5,176.20-1,259.35

Finding the Fourth Proportional to 3,451.14, 5,176.20 and 1,259.35

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Solution

The fourth proportional to 3,451.14, 5,176.20 and 1,259.35 is: 1,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.14 : 5,176.20 = 1,259.35 : x
  2. Step 2: Convert to fraction form
    3,451.14/5,176.20 = 1,259.35/x
  3. Step 3: Cross multiply
    3,451.14x = 5,176.20 × 1,259.35
  4. Step 4: Simplify right side
    3,451.14x = 6,518,639.25
  5. Step 5: Solve for x
    x = 6,518,639.25/3,451.14
  6. Step 6: Final answer
    x = 1,888.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.