Home / 1,595.16-2,201.29-886.91

Finding the Fourth Proportional to 1,595.16, 2,201.29 and 886.91

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Solution

The fourth proportional to 1,595.16, 2,201.29 and 886.91 is: 1,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.16 : 2,201.29 = 886.91 : x
  2. Step 2: Convert to fraction form
    1,595.16/2,201.29 = 886.91/x
  3. Step 3: Cross multiply
    1,595.16x = 2,201.29 × 886.91
  4. Step 4: Simplify right side
    1,595.16x = 1,952,349.62
  5. Step 5: Solve for x
    x = 1,952,349.62/1,595.16
  6. Step 6: Final answer
    x = 1,223.92

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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.