Home / 5,432.80-7,497.40-3,074.48

Finding the Fourth Proportional to 5,432.80, 7,497.40 and 3,074.48

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Solution

The fourth proportional to 5,432.80, 7,497.40 and 3,074.48 is: 4,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.80 : 7,497.40 = 3,074.48 : x
  2. Step 2: Convert to fraction form
    5,432.80/7,497.40 = 3,074.48/x
  3. Step 3: Cross multiply
    5,432.80x = 7,497.40 × 3,074.48
  4. Step 4: Simplify right side
    5,432.80x = 23,050,606.35
  5. Step 5: Solve for x
    x = 23,050,606.35/5,432.80
  6. Step 6: Final answer
    x = 4,242.86

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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.