Home / 1,514.18-2,089.53-851.06

Finding the Fourth Proportional to 1,514.18, 2,089.53 and 851.06

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Solution

The fourth proportional to 1,514.18, 2,089.53 and 851.06 is: 1,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.18 : 2,089.53 = 851.06 : x
  2. Step 2: Convert to fraction form
    1,514.18/2,089.53 = 851.06/x
  3. Step 3: Cross multiply
    1,514.18x = 2,089.53 × 851.06
  4. Step 4: Simplify right side
    1,514.18x = 1,778,315.40
  5. Step 5: Solve for x
    x = 1,778,315.40/1,514.18
  6. Step 6: Final answer
    x = 1,174.44

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1.5x scale

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.