Home / 4,480.68-6,182.98-2,911.72

Finding the Fourth Proportional to 4,480.68, 6,182.98 and 2,911.72

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Solution

The fourth proportional to 4,480.68, 6,182.98 and 2,911.72 is: 4,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.68 : 6,182.98 = 2,911.72 : x
  2. Step 2: Convert to fraction form
    4,480.68/6,182.98 = 2,911.72/x
  3. Step 3: Cross multiply
    4,480.68x = 6,182.98 × 2,911.72
  4. Step 4: Simplify right side
    4,480.68x = 18,003,106.53
  5. Step 5: Solve for x
    x = 18,003,106.53/4,480.68
  6. Step 6: Final answer
    x = 4,017.94

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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.