Home / 5,454.48-8,160.12-4,732.32

Finding the Fourth Proportional to 5,454.48, 8,160.12 and 4,732.32

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Solution

The fourth proportional to 5,454.48, 8,160.12 and 4,732.32 is: 7,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.48 : 8,160.12 = 4,732.32 : x
  2. Step 2: Convert to fraction form
    5,454.48/8,160.12 = 4,732.32/x
  3. Step 3: Cross multiply
    5,454.48x = 8,160.12 × 4,732.32
  4. Step 4: Simplify right side
    5,454.48x = 38,616,299.08
  5. Step 5: Solve for x
    x = 38,616,299.08/5,454.48
  6. Step 6: Final answer
    x = 7,079.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.