Home / 4,731.12-6,530.40-2,742.18

Finding the Fourth Proportional to 4,731.12, 6,530.40 and 2,742.18

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Solution

The fourth proportional to 4,731.12, 6,530.40 and 2,742.18 is: 3,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.12 : 6,530.40 = 2,742.18 : x
  2. Step 2: Convert to fraction form
    4,731.12/6,530.40 = 2,742.18/x
  3. Step 3: Cross multiply
    4,731.12x = 6,530.40 × 2,742.18
  4. Step 4: Simplify right side
    4,731.12x = 17,907,532.27
  5. Step 5: Solve for x
    x = 17,907,532.27/4,731.12
  6. Step 6: Final answer
    x = 3,785.05

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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.