Home / 1,252.60-1,875.20-1,199.14

Finding the Fourth Proportional to 1,252.60, 1,875.20 and 1,199.14

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Solution

The fourth proportional to 1,252.60, 1,875.20 and 1,199.14 is: 1,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.60 : 1,875.20 = 1,199.14 : x
  2. Step 2: Convert to fraction form
    1,252.60/1,875.20 = 1,199.14/x
  3. Step 3: Cross multiply
    1,252.60x = 1,875.20 × 1,199.14
  4. Step 4: Simplify right side
    1,252.60x = 2,248,617.95
  5. Step 5: Solve for x
    x = 2,248,617.95/1,252.60
  6. Step 6: Final answer
    x = 1,795.17

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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.