Home / 7,530.88-10,390.08-4,384.48

Finding the Fourth Proportional to 7,530.88, 10,390.08 and 4,384.48

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Solution

The fourth proportional to 7,530.88, 10,390.08 and 4,384.48 is: 6,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.88 : 10,390.08 = 4,384.48 : x
  2. Step 2: Convert to fraction form
    7,530.88/10,390.08 = 4,384.48/x
  3. Step 3: Cross multiply
    7,530.88x = 10,390.08 × 4,384.48
  4. Step 4: Simplify right side
    7,530.88x = 45,555,097.96
  5. Step 5: Solve for x
    x = 45,555,097.96/7,530.88
  6. Step 6: Final answer
    x = 6,049.11

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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.