Home / 1,699.18-2,344.72-953.04

Finding the Fourth Proportional to 1,699.18, 2,344.72 and 953.04

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Solution

The fourth proportional to 1,699.18, 2,344.72 and 953.04 is: 1,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.18 : 2,344.72 = 953.04 : x
  2. Step 2: Convert to fraction form
    1,699.18/2,344.72 = 953.04/x
  3. Step 3: Cross multiply
    1,699.18x = 2,344.72 × 953.04
  4. Step 4: Simplify right side
    1,699.18x = 2,234,611.95
  5. Step 5: Solve for x
    x = 2,234,611.95/1,699.18
  6. Step 6: Final answer
    x = 1,315.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.