Home / 7,385.91-11,075.16-2,453.82

Finding the Fourth Proportional to 7,385.91, 11,075.16 and 2,453.82

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Solution

The fourth proportional to 7,385.91, 11,075.16 and 2,453.82 is: 3,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.91 : 11,075.16 = 2,453.82 : x
  2. Step 2: Convert to fraction form
    7,385.91/11,075.16 = 2,453.82/x
  3. Step 3: Cross multiply
    7,385.91x = 11,075.16 × 2,453.82
  4. Step 4: Simplify right side
    7,385.91x = 27,176,449.11
  5. Step 5: Solve for x
    x = 27,176,449.11/7,385.91
  6. Step 6: Final answer
    x = 3,679.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.