Home / 5,635.48-7,777.32-3,397.24

Finding the Fourth Proportional to 5,635.48, 7,777.32 and 3,397.24

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Solution

The fourth proportional to 5,635.48, 7,777.32 and 3,397.24 is: 4,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.48 : 7,777.32 = 3,397.24 : x
  2. Step 2: Convert to fraction form
    5,635.48/7,777.32 = 3,397.24/x
  3. Step 3: Cross multiply
    5,635.48x = 7,777.32 × 3,397.24
  4. Step 4: Simplify right side
    5,635.48x = 26,421,422.60
  5. Step 5: Solve for x
    x = 26,421,422.60/5,635.48
  6. Step 6: Final answer
    x = 4,688.41

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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.