Home / 7,476.95-10,318.37-4,119.90

Finding the Fourth Proportional to 7,476.95, 10,318.37 and 4,119.90

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Solution

The fourth proportional to 7,476.95, 10,318.37 and 4,119.90 is: 5,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.95 : 10,318.37 = 4,119.90 : x
  2. Step 2: Convert to fraction form
    7,476.95/10,318.37 = 4,119.90/x
  3. Step 3: Cross multiply
    7,476.95x = 10,318.37 × 4,119.90
  4. Step 4: Simplify right side
    7,476.95x = 42,510,631.96
  5. Step 5: Solve for x
    x = 42,510,631.96/7,476.95
  6. Step 6: Final answer
    x = 5,685.56

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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.