Home / 1,914.15-2,870.75-527.42

Finding the Fourth Proportional to 1,914.15, 2,870.75 and 527.42

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Solution

The fourth proportional to 1,914.15, 2,870.75 and 527.42 is: 791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.15 : 2,870.75 = 527.42 : x
  2. Step 2: Convert to fraction form
    1,914.15/2,870.75 = 527.42/x
  3. Step 3: Cross multiply
    1,914.15x = 2,870.75 × 527.42
  4. Step 4: Simplify right side
    1,914.15x = 1,514,090.97
  5. Step 5: Solve for x
    x = 1,514,090.97/1,914.15
  6. Step 6: Final answer
    x = 791.00

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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.