Home / 5,415.31-7,468.88-3,527.48

Finding the Fourth Proportional to 5,415.31, 7,468.88 and 3,527.48

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Solution

The fourth proportional to 5,415.31, 7,468.88 and 3,527.48 is: 4,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.31 : 7,468.88 = 3,527.48 : x
  2. Step 2: Convert to fraction form
    5,415.31/7,468.88 = 3,527.48/x
  3. Step 3: Cross multiply
    5,415.31x = 7,468.88 × 3,527.48
  4. Step 4: Simplify right side
    5,415.31x = 26,346,325.86
  5. Step 5: Solve for x
    x = 26,346,325.86/5,415.31
  6. Step 6: Final answer
    x = 4,865.16

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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.