Home / 2,436.17-3,653.93-974.21

Finding the Fourth Proportional to 2,436.17, 3,653.93 and 974.21

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Solution

The fourth proportional to 2,436.17, 3,653.93 and 974.21 is: 1,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.17 : 3,653.93 = 974.21 : x
  2. Step 2: Convert to fraction form
    2,436.17/3,653.93 = 974.21/x
  3. Step 3: Cross multiply
    2,436.17x = 3,653.93 × 974.21
  4. Step 4: Simplify right side
    2,436.17x = 3,559,672.00
  5. Step 5: Solve for x
    x = 3,559,672.00/2,436.17
  6. Step 6: Final answer
    x = 1,461.18

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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.