Home / 4,715.95-7,073.14-1,428.26

Finding the Fourth Proportional to 4,715.95, 7,073.14 and 1,428.26

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Solution

The fourth proportional to 4,715.95, 7,073.14 and 1,428.26 is: 2,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.95 : 7,073.14 = 1,428.26 : x
  2. Step 2: Convert to fraction form
    4,715.95/7,073.14 = 1,428.26/x
  3. Step 3: Cross multiply
    4,715.95x = 7,073.14 × 1,428.26
  4. Step 4: Simplify right side
    4,715.95x = 10,102,320.13
  5. Step 5: Solve for x
    x = 10,102,320.13/4,715.95
  6. Step 6: Final answer
    x = 2,142.16

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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.