Home / 7,530.07-10,390.17-4,342.68

Finding the Fourth Proportional to 7,530.07, 10,390.17 and 4,342.68

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Solution

The fourth proportional to 7,530.07, 10,390.17 and 4,342.68 is: 5,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.07 : 10,390.17 = 4,342.68 : x
  2. Step 2: Convert to fraction form
    7,530.07/10,390.17 = 4,342.68/x
  3. Step 3: Cross multiply
    7,530.07x = 10,390.17 × 4,342.68
  4. Step 4: Simplify right side
    7,530.07x = 45,121,183.46
  5. Step 5: Solve for x
    x = 45,121,183.46/7,530.07
  6. Step 6: Final answer
    x = 5,992.13

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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.