Home / 4,874.48-6,725.12-2,885.68

Finding the Fourth Proportional to 4,874.48, 6,725.12 and 2,885.68

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Solution

The fourth proportional to 4,874.48, 6,725.12 and 2,885.68 is: 3,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.48 : 6,725.12 = 2,885.68 : x
  2. Step 2: Convert to fraction form
    4,874.48/6,725.12 = 2,885.68/x
  3. Step 3: Cross multiply
    4,874.48x = 6,725.12 × 2,885.68
  4. Step 4: Simplify right side
    4,874.48x = 19,406,544.28
  5. Step 5: Solve for x
    x = 19,406,544.28/4,874.48
  6. Step 6: Final answer
    x = 3,981.25

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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.