Home / 4,878.34-7,315.35-3,504.58

Finding the Fourth Proportional to 4,878.34, 7,315.35 and 3,504.58

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Solution

The fourth proportional to 4,878.34, 7,315.35 and 3,504.58 is: 5,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.34 : 7,315.35 = 3,504.58 : x
  2. Step 2: Convert to fraction form
    4,878.34/7,315.35 = 3,504.58/x
  3. Step 3: Cross multiply
    4,878.34x = 7,315.35 × 3,504.58
  4. Step 4: Simplify right side
    4,878.34x = 25,637,229.30
  5. Step 5: Solve for x
    x = 25,637,229.30/4,878.34
  6. Step 6: Final answer
    x = 5,255.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.