Home / 7,530.16-10,390.62-4,343.58

Finding the Fourth Proportional to 7,530.16, 10,390.62 and 4,343.58

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Solution

The fourth proportional to 7,530.16, 10,390.62 and 4,343.58 is: 5,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.16 : 10,390.62 = 4,343.58 : x
  2. Step 2: Convert to fraction form
    7,530.16/10,390.62 = 4,343.58/x
  3. Step 3: Cross multiply
    7,530.16x = 10,390.62 × 4,343.58
  4. Step 4: Simplify right side
    7,530.16x = 45,132,489.22
  5. Step 5: Solve for x
    x = 45,132,489.22/7,530.16
  6. Step 6: Final answer
    x = 5,993.56

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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.