Home / 7,438.11-10,264.51-4,080.95

Finding the Fourth Proportional to 7,438.11, 10,264.51 and 4,080.95

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Solution

The fourth proportional to 7,438.11, 10,264.51 and 4,080.95 is: 5,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.11 : 10,264.51 = 4,080.95 : x
  2. Step 2: Convert to fraction form
    7,438.11/10,264.51 = 4,080.95/x
  3. Step 3: Cross multiply
    7,438.11x = 10,264.51 × 4,080.95
  4. Step 4: Simplify right side
    7,438.11x = 41,888,952.08
  5. Step 5: Solve for x
    x = 41,888,952.08/7,438.11
  6. Step 6: Final answer
    x = 5,631.67

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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.