Home / 5,590.13-8,385.53-1,694.57

Finding the Fourth Proportional to 5,590.13, 8,385.53 and 1,694.57

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Solution

The fourth proportional to 5,590.13, 8,385.53 and 1,694.57 is: 2,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.13 : 8,385.53 = 1,694.57 : x
  2. Step 2: Convert to fraction form
    5,590.13/8,385.53 = 1,694.57/x
  3. Step 3: Cross multiply
    5,590.13x = 8,385.53 × 1,694.57
  4. Step 4: Simplify right side
    5,590.13x = 14,209,817.17
  5. Step 5: Solve for x
    x = 14,209,817.17/5,590.13
  6. Step 6: Final answer
    x = 2,541.95

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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.