Home / 7,338.82-10,125.18-4,151.81

Finding the Fourth Proportional to 7,338.82, 10,125.18 and 4,151.81

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Solution

The fourth proportional to 7,338.82, 10,125.18 and 4,151.81 is: 5,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.82 : 10,125.18 = 4,151.81 : x
  2. Step 2: Convert to fraction form
    7,338.82/10,125.18 = 4,151.81/x
  3. Step 3: Cross multiply
    7,338.82x = 10,125.18 × 4,151.81
  4. Step 4: Simplify right side
    7,338.82x = 42,037,752.19
  5. Step 5: Solve for x
    x = 42,037,752.19/7,338.82
  6. Step 6: Final answer
    x = 5,728.14

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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.