Home / 4,928.10-7,392.15-4,714.80

Finding the Fourth Proportional to 4,928.10, 7,392.15 and 4,714.80

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Solution

The fourth proportional to 4,928.10, 7,392.15 and 4,714.80 is: 7,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.10 : 7,392.15 = 4,714.80 : x
  2. Step 2: Convert to fraction form
    4,928.10/7,392.15 = 4,714.80/x
  3. Step 3: Cross multiply
    4,928.10x = 7,392.15 × 4,714.80
  4. Step 4: Simplify right side
    4,928.10x = 34,852,508.82
  5. Step 5: Solve for x
    x = 34,852,508.82/4,928.10
  6. Step 6: Final answer
    x = 7,072.20

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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.