Home / 5,360.42-7,397.58-3,002.58

Finding the Fourth Proportional to 5,360.42, 7,397.58 and 3,002.58

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Solution

The fourth proportional to 5,360.42, 7,397.58 and 3,002.58 is: 4,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.42 : 7,397.58 = 3,002.58 : x
  2. Step 2: Convert to fraction form
    5,360.42/7,397.58 = 3,002.58/x
  3. Step 3: Cross multiply
    5,360.42x = 7,397.58 × 3,002.58
  4. Step 4: Simplify right side
    5,360.42x = 22,211,825.76
  5. Step 5: Solve for x
    x = 22,211,825.76/5,360.42
  6. Step 6: Final answer
    x = 4,143.68

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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.