Home / 2,930.49-4,045.55-2,265.84

Finding the Fourth Proportional to 2,930.49, 4,045.55 and 2,265.84

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Solution

The fourth proportional to 2,930.49, 4,045.55 and 2,265.84 is: 3,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.49 : 4,045.55 = 2,265.84 : x
  2. Step 2: Convert to fraction form
    2,930.49/4,045.55 = 2,265.84/x
  3. Step 3: Cross multiply
    2,930.49x = 4,045.55 × 2,265.84
  4. Step 4: Simplify right side
    2,930.49x = 9,166,557.68
  5. Step 5: Solve for x
    x = 9,166,557.68/2,930.49
  6. Step 6: Final answer
    x = 3,127.99

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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.