Home / 6,219.52-8,580.16-3,566.40

Finding the Fourth Proportional to 6,219.52, 8,580.16 and 3,566.40

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Solution

The fourth proportional to 6,219.52, 8,580.16 and 3,566.40 is: 4,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.52 : 8,580.16 = 3,566.40 : x
  2. Step 2: Convert to fraction form
    6,219.52/8,580.16 = 3,566.40/x
  3. Step 3: Cross multiply
    6,219.52x = 8,580.16 × 3,566.40
  4. Step 4: Simplify right side
    6,219.52x = 30,600,282.62
  5. Step 5: Solve for x
    x = 30,600,282.62/6,219.52
  6. Step 6: Final answer
    x = 4,920.04

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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.