Home / 7,637.90-11,457.45-3,255.39

Finding the Fourth Proportional to 7,637.90, 11,457.45 and 3,255.39

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Solution

The fourth proportional to 7,637.90, 11,457.45 and 3,255.39 is: 4,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.90 : 11,457.45 = 3,255.39 : x
  2. Step 2: Convert to fraction form
    7,637.90/11,457.45 = 3,255.39/x
  3. Step 3: Cross multiply
    7,637.90x = 11,457.45 × 3,255.39
  4. Step 4: Simplify right side
    7,637.90x = 37,298,468.16
  5. Step 5: Solve for x
    x = 37,298,468.16/7,637.90
  6. Step 6: Final answer
    x = 4,883.34

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1.5x scale

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.