Home / 1,858.16-2,562.72-1,149.68

Finding the Fourth Proportional to 1,858.16, 2,562.72 and 1,149.68

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Solution

The fourth proportional to 1,858.16, 2,562.72 and 1,149.68 is: 1,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.16 : 2,562.72 = 1,149.68 : x
  2. Step 2: Convert to fraction form
    1,858.16/2,562.72 = 1,149.68/x
  3. Step 3: Cross multiply
    1,858.16x = 2,562.72 × 1,149.68
  4. Step 4: Simplify right side
    1,858.16x = 2,946,307.93
  5. Step 5: Solve for x
    x = 2,946,307.93/1,858.16
  6. Step 6: Final answer
    x = 1,585.61

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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.