Home / 7,520.54-10,378.27-4,497.05

Finding the Fourth Proportional to 7,520.54, 10,378.27 and 4,497.05

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Solution

The fourth proportional to 7,520.54, 10,378.27 and 4,497.05 is: 6,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.54 : 10,378.27 = 4,497.05 : x
  2. Step 2: Convert to fraction form
    7,520.54/10,378.27 = 4,497.05/x
  3. Step 3: Cross multiply
    7,520.54x = 10,378.27 × 4,497.05
  4. Step 4: Simplify right side
    7,520.54x = 46,671,599.10
  5. Step 5: Solve for x
    x = 46,671,599.10/7,520.54
  6. Step 6: Final answer
    x = 6,205.88

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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.