Home / 6,731.10-9,285.72-4,742.75

Finding the Fourth Proportional to 6,731.10, 9,285.72 and 4,742.75

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Solution

The fourth proportional to 6,731.10, 9,285.72 and 4,742.75 is: 6,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.10 : 9,285.72 = 4,742.75 : x
  2. Step 2: Convert to fraction form
    6,731.10/9,285.72 = 4,742.75/x
  3. Step 3: Cross multiply
    6,731.10x = 9,285.72 × 4,742.75
  4. Step 4: Simplify right side
    6,731.10x = 44,039,802.10
  5. Step 5: Solve for x
    x = 44,039,802.10/6,731.10
  6. Step 6: Final answer
    x = 6,542.74

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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.