Home / 2,416.40-3,624.08-1,116.64

Finding the Fourth Proportional to 2,416.40, 3,624.08 and 1,116.64

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Solution

The fourth proportional to 2,416.40, 3,624.08 and 1,116.64 is: 1,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.40 : 3,624.08 = 1,116.64 : x
  2. Step 2: Convert to fraction form
    2,416.40/3,624.08 = 1,116.64/x
  3. Step 3: Cross multiply
    2,416.40x = 3,624.08 × 1,116.64
  4. Step 4: Simplify right side
    2,416.40x = 4,046,792.69
  5. Step 5: Solve for x
    x = 4,046,792.69/2,416.40
  6. Step 6: Final answer
    x = 1,674.72

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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.