Home / 4,981.10-6,873.59-2,742.86

Finding the Fourth Proportional to 4,981.10, 6,873.59 and 2,742.86

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Solution

The fourth proportional to 4,981.10, 6,873.59 and 2,742.86 is: 3,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.10 : 6,873.59 = 2,742.86 : x
  2. Step 2: Convert to fraction form
    4,981.10/6,873.59 = 2,742.86/x
  3. Step 3: Cross multiply
    4,981.10x = 6,873.59 × 2,742.86
  4. Step 4: Simplify right side
    4,981.10x = 18,853,319.11
  5. Step 5: Solve for x
    x = 18,853,319.11/4,981.10
  6. Step 6: Final answer
    x = 3,784.97

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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.