Home / 5,252.16-7,875.45-1,553.88

Finding the Fourth Proportional to 5,252.16, 7,875.45 and 1,553.88

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Solution

The fourth proportional to 5,252.16, 7,875.45 and 1,553.88 is: 2,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.16 : 7,875.45 = 1,553.88 : x
  2. Step 2: Convert to fraction form
    5,252.16/7,875.45 = 1,553.88/x
  3. Step 3: Cross multiply
    5,252.16x = 7,875.45 × 1,553.88
  4. Step 4: Simplify right side
    5,252.16x = 12,237,474.71
  5. Step 5: Solve for x
    x = 12,237,474.71/5,252.16
  6. Step 6: Final answer
    x = 2,329.99

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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.