Home / 4,880.58-7,328.15-4,807.68

Finding the Fourth Proportional to 4,880.58, 7,328.15 and 4,807.68

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Solution

The fourth proportional to 4,880.58, 7,328.15 and 4,807.68 is: 7,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.58 : 7,328.15 = 4,807.68 : x
  2. Step 2: Convert to fraction form
    4,880.58/7,328.15 = 4,807.68/x
  3. Step 3: Cross multiply
    4,880.58x = 7,328.15 × 4,807.68
  4. Step 4: Simplify right side
    4,880.58x = 35,231,363.55
  5. Step 5: Solve for x
    x = 35,231,363.55/4,880.58
  6. Step 6: Final answer
    x = 7,218.69

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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.