Home / 7,364.39-10,158.91-5,122.37

Finding the Fourth Proportional to 7,364.39, 10,158.91 and 5,122.37

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Solution

The fourth proportional to 7,364.39, 10,158.91 and 5,122.37 is: 7,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.39 : 10,158.91 = 5,122.37 : x
  2. Step 2: Convert to fraction form
    7,364.39/10,158.91 = 5,122.37/x
  3. Step 3: Cross multiply
    7,364.39x = 10,158.91 × 5,122.37
  4. Step 4: Simplify right side
    7,364.39x = 52,037,708.41
  5. Step 5: Solve for x
    x = 52,037,708.41/7,364.39
  6. Step 6: Final answer
    x = 7,066.13

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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.