Home / 7,315.46-10,972.05-2,385.08

Finding the Fourth Proportional to 7,315.46, 10,972.05 and 2,385.08

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Solution

The fourth proportional to 7,315.46, 10,972.05 and 2,385.08 is: 3,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.46 : 10,972.05 = 2,385.08 : x
  2. Step 2: Convert to fraction form
    7,315.46/10,972.05 = 2,385.08/x
  3. Step 3: Cross multiply
    7,315.46x = 10,972.05 × 2,385.08
  4. Step 4: Simplify right side
    7,315.46x = 26,169,150.23
  5. Step 5: Solve for x
    x = 26,169,150.23/7,315.46
  6. Step 6: Final answer
    x = 3,577.24

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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.