Home / 5,437.75-7,504.47-3,079.90

Finding the Fourth Proportional to 5,437.75, 7,504.47 and 3,079.90

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Solution

The fourth proportional to 5,437.75, 7,504.47 and 3,079.90 is: 4,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.75 : 7,504.47 = 3,079.90 : x
  2. Step 2: Convert to fraction form
    5,437.75/7,504.47 = 3,079.90/x
  3. Step 3: Cross multiply
    5,437.75x = 7,504.47 × 3,079.90
  4. Step 4: Simplify right side
    5,437.75x = 23,113,017.15
  5. Step 5: Solve for x
    x = 23,113,017.15/5,437.75
  6. Step 6: Final answer
    x = 4,250.47

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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.