Home / 3,068.10-4,225.14-2,880.42

Finding the Fourth Proportional to 3,068.10, 4,225.14 and 2,880.42

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Solution

The fourth proportional to 3,068.10, 4,225.14 and 2,880.42 is: 3,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.10 : 4,225.14 = 2,880.42 : x
  2. Step 2: Convert to fraction form
    3,068.10/4,225.14 = 2,880.42/x
  3. Step 3: Cross multiply
    3,068.10x = 4,225.14 × 2,880.42
  4. Step 4: Simplify right side
    3,068.10x = 12,170,177.76
  5. Step 5: Solve for x
    x = 12,170,177.76/3,068.10
  6. Step 6: Final answer
    x = 3,966.68

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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.