Home / 1,527.96-2,289.40-1,400.28

Finding the Fourth Proportional to 1,527.96, 2,289.40 and 1,400.28

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Solution

The fourth proportional to 1,527.96, 2,289.40 and 1,400.28 is: 2,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.96 : 2,289.40 = 1,400.28 : x
  2. Step 2: Convert to fraction form
    1,527.96/2,289.40 = 1,400.28/x
  3. Step 3: Cross multiply
    1,527.96x = 2,289.40 × 1,400.28
  4. Step 4: Simplify right side
    1,527.96x = 3,205,801.03
  5. Step 5: Solve for x
    x = 3,205,801.03/1,527.96
  6. Step 6: Final answer
    x = 2,098.09

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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.