Home / 5,615.61-7,735.55-4,358.09

Finding the Fourth Proportional to 5,615.61, 7,735.55 and 4,358.09

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Solution

The fourth proportional to 5,615.61, 7,735.55 and 4,358.09 is: 6,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.61 : 7,735.55 = 4,358.09 : x
  2. Step 2: Convert to fraction form
    5,615.61/7,735.55 = 4,358.09/x
  3. Step 3: Cross multiply
    5,615.61x = 7,735.55 × 4,358.09
  4. Step 4: Simplify right side
    5,615.61x = 33,712,162.63
  5. Step 5: Solve for x
    x = 33,712,162.63/5,615.61
  6. Step 6: Final answer
    x = 6,003.29

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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.