Home / 1,535.04-2,302.80-961.92

Finding the Fourth Proportional to 1,535.04, 2,302.80 and 961.92

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Solution

The fourth proportional to 1,535.04, 2,302.80 and 961.92 is: 1,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.04 : 2,302.80 = 961.92 : x
  2. Step 2: Convert to fraction form
    1,535.04/2,302.80 = 961.92/x
  3. Step 3: Cross multiply
    1,535.04x = 2,302.80 × 961.92
  4. Step 4: Simplify right side
    1,535.04x = 2,215,109.38
  5. Step 5: Solve for x
    x = 2,215,109.38/1,535.04
  6. Step 6: Final answer
    x = 1,443.03

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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.