Home / 5,422.14-7,485.84-3,746.52

Finding the Fourth Proportional to 5,422.14, 7,485.84 and 3,746.52

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Solution

The fourth proportional to 5,422.14, 7,485.84 and 3,746.52 is: 5,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.14 : 7,485.84 = 3,746.52 : x
  2. Step 2: Convert to fraction form
    5,422.14/7,485.84 = 3,746.52/x
  3. Step 3: Cross multiply
    5,422.14x = 7,485.84 × 3,746.52
  4. Step 4: Simplify right side
    5,422.14x = 28,045,849.28
  5. Step 5: Solve for x
    x = 28,045,849.28/5,422.14
  6. Step 6: Final answer
    x = 5,172.47

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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.