Home / 5,479.19-7,561.51-3,089.25

Finding the Fourth Proportional to 5,479.19, 7,561.51 and 3,089.25

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Solution

The fourth proportional to 5,479.19, 7,561.51 and 3,089.25 is: 4,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.19 : 7,561.51 = 3,089.25 : x
  2. Step 2: Convert to fraction form
    5,479.19/7,561.51 = 3,089.25/x
  3. Step 3: Cross multiply
    5,479.19x = 7,561.51 × 3,089.25
  4. Step 4: Simplify right side
    5,479.19x = 23,359,394.77
  5. Step 5: Solve for x
    x = 23,359,394.77/5,479.19
  6. Step 6: Final answer
    x = 4,263.29

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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.