Home / 5,275.19-7,908.84-2,605.23

Finding the Fourth Proportional to 5,275.19, 7,908.84 and 2,605.23

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Solution

The fourth proportional to 5,275.19, 7,908.84 and 2,605.23 is: 3,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.19 : 7,908.84 = 2,605.23 : x
  2. Step 2: Convert to fraction form
    5,275.19/7,908.84 = 2,605.23/x
  3. Step 3: Cross multiply
    5,275.19x = 7,908.84 × 2,605.23
  4. Step 4: Simplify right side
    5,275.19x = 20,604,347.23
  5. Step 5: Solve for x
    x = 20,604,347.23/5,275.19
  6. Step 6: Final answer
    x = 3,905.89

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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.