Home / 4,919.27-6,788.51-2,681.16

Finding the Fourth Proportional to 4,919.27, 6,788.51 and 2,681.16

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Solution

The fourth proportional to 4,919.27, 6,788.51 and 2,681.16 is: 3,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.27 : 6,788.51 = 2,681.16 : x
  2. Step 2: Convert to fraction form
    4,919.27/6,788.51 = 2,681.16/x
  3. Step 3: Cross multiply
    4,919.27x = 6,788.51 × 2,681.16
  4. Step 4: Simplify right side
    4,919.27x = 18,201,085.04
  5. Step 5: Solve for x
    x = 18,201,085.04/4,919.27
  6. Step 6: Final answer
    x = 3,699.96

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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.