Home / 5,017.79-6,930.45-4,012.99

Finding the Fourth Proportional to 5,017.79, 6,930.45 and 4,012.99

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Solution

The fourth proportional to 5,017.79, 6,930.45 and 4,012.99 is: 5,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.79 : 6,930.45 = 4,012.99 : x
  2. Step 2: Convert to fraction form
    5,017.79/6,930.45 = 4,012.99/x
  3. Step 3: Cross multiply
    5,017.79x = 6,930.45 × 4,012.99
  4. Step 4: Simplify right side
    5,017.79x = 27,811,809.22
  5. Step 5: Solve for x
    x = 27,811,809.22/5,017.79
  6. Step 6: Final answer
    x = 5,542.64

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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.