Home / 2,384.84-3,572.38-1,116.57

Finding the Fourth Proportional to 2,384.84, 3,572.38 and 1,116.57

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Solution

The fourth proportional to 2,384.84, 3,572.38 and 1,116.57 is: 1,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.84 : 3,572.38 = 1,116.57 : x
  2. Step 2: Convert to fraction form
    2,384.84/3,572.38 = 1,116.57/x
  3. Step 3: Cross multiply
    2,384.84x = 3,572.38 × 1,116.57
  4. Step 4: Simplify right side
    2,384.84x = 3,988,827.13
  5. Step 5: Solve for x
    x = 3,988,827.13/2,384.84
  6. Step 6: Final answer
    x = 1,672.57

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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.