Home / 7,217.52-9,953.58-4,560.30

Finding the Fourth Proportional to 7,217.52, 9,953.58 and 4,560.30

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Solution

The fourth proportional to 7,217.52, 9,953.58 and 4,560.30 is: 6,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.52 : 9,953.58 = 4,560.30 : x
  2. Step 2: Convert to fraction form
    7,217.52/9,953.58 = 4,560.30/x
  3. Step 3: Cross multiply
    7,217.52x = 9,953.58 × 4,560.30
  4. Step 4: Simplify right side
    7,217.52x = 45,391,310.87
  5. Step 5: Solve for x
    x = 45,391,310.87/7,217.52
  6. Step 6: Final answer
    x = 6,289.05

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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.