Home / 4,931.15-6,804.38-2,806.96

Finding the Fourth Proportional to 4,931.15, 6,804.38 and 2,806.96

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Solution

The fourth proportional to 4,931.15, 6,804.38 and 2,806.96 is: 3,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.15 : 6,804.38 = 2,806.96 : x
  2. Step 2: Convert to fraction form
    4,931.15/6,804.38 = 2,806.96/x
  3. Step 3: Cross multiply
    4,931.15x = 6,804.38 × 2,806.96
  4. Step 4: Simplify right side
    4,931.15x = 19,099,574.43
  5. Step 5: Solve for x
    x = 19,099,574.43/4,931.15
  6. Step 6: Final answer
    x = 3,873.25

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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.