Home / 7,151.84-9,874.68-4,637.60

Finding the Fourth Proportional to 7,151.84, 9,874.68 and 4,637.60

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Solution

The fourth proportional to 7,151.84, 9,874.68 and 4,637.60 is: 6,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.84 : 9,874.68 = 4,637.60 : x
  2. Step 2: Convert to fraction form
    7,151.84/9,874.68 = 4,637.60/x
  3. Step 3: Cross multiply
    7,151.84x = 9,874.68 × 4,637.60
  4. Step 4: Simplify right side
    7,151.84x = 45,794,815.97
  5. Step 5: Solve for x
    x = 45,794,815.97/7,151.84
  6. Step 6: Final answer
    x = 6,403.22

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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.