Home / 1,476.52-2,213.34-707.56

Finding the Fourth Proportional to 1,476.52, 2,213.34 and 707.56

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Solution

The fourth proportional to 1,476.52, 2,213.34 and 707.56 is: 1,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.52 : 2,213.34 = 707.56 : x
  2. Step 2: Convert to fraction form
    1,476.52/2,213.34 = 707.56/x
  3. Step 3: Cross multiply
    1,476.52x = 2,213.34 × 707.56
  4. Step 4: Simplify right side
    1,476.52x = 1,566,070.85
  5. Step 5: Solve for x
    x = 1,566,070.85/1,476.52
  6. Step 6: Final answer
    x = 1,060.65

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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.