Home / 3,585.16-5,377.76-1,636

Finding the Fourth Proportional to 3,585.16, 5,377.76 and 1,636

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Solution

The fourth proportional to 3,585.16, 5,377.76 and 1,636 is: 2,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.16 : 5,377.76 = 1,636 : x
  2. Step 2: Convert to fraction form
    3,585.16/5,377.76 = 1,636/x
  3. Step 3: Cross multiply
    3,585.16x = 5,377.76 × 1,636
  4. Step 4: Simplify right side
    3,585.16x = 8,798,015.36
  5. Step 5: Solve for x
    x = 8,798,015.36/3,585.16
  6. Step 6: Final answer
    x = 2,454.01

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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.