Home / 5,663.35-7,815.59-3,425.63

Finding the Fourth Proportional to 5,663.35, 7,815.59 and 3,425.63

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Solution

The fourth proportional to 5,663.35, 7,815.59 and 3,425.63 is: 4,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.35 : 7,815.59 = 3,425.63 : x
  2. Step 2: Convert to fraction form
    5,663.35/7,815.59 = 3,425.63/x
  3. Step 3: Cross multiply
    5,663.35x = 7,815.59 × 3,425.63
  4. Step 4: Simplify right side
    5,663.35x = 26,773,334.83
  5. Step 5: Solve for x
    x = 26,773,334.83/5,663.35
  6. Step 6: Final answer
    x = 4,727.48

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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.