Home / 2,451.60-3,678.24-1,153.14

Finding the Fourth Proportional to 2,451.60, 3,678.24 and 1,153.14

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Solution

The fourth proportional to 2,451.60, 3,678.24 and 1,153.14 is: 1,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.60 : 3,678.24 = 1,153.14 : x
  2. Step 2: Convert to fraction form
    2,451.60/3,678.24 = 1,153.14/x
  3. Step 3: Cross multiply
    2,451.60x = 3,678.24 × 1,153.14
  4. Step 4: Simplify right side
    2,451.60x = 4,241,525.67
  5. Step 5: Solve for x
    x = 4,241,525.67/2,451.60
  6. Step 6: Final answer
    x = 1,730.11

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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.