Home / 5,403.14-8,104.80-1,507.48

Finding the Fourth Proportional to 5,403.14, 8,104.80 and 1,507.48

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Solution

The fourth proportional to 5,403.14, 8,104.80 and 1,507.48 is: 2,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.14 : 8,104.80 = 1,507.48 : x
  2. Step 2: Convert to fraction form
    5,403.14/8,104.80 = 1,507.48/x
  3. Step 3: Cross multiply
    5,403.14x = 8,104.80 × 1,507.48
  4. Step 4: Simplify right side
    5,403.14x = 12,217,823.90
  5. Step 5: Solve for x
    x = 12,217,823.90/5,403.14
  6. Step 6: Final answer
    x = 2,261.25

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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.