Home / 5,446-7,515.48-3,088.15

Finding the Fourth Proportional to 5,446, 7,515.48 and 3,088.15

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Solution

The fourth proportional to 5,446, 7,515.48 and 3,088.15 is: 4,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446 : 7,515.48 = 3,088.15 : x
  2. Step 2: Convert to fraction form
    5,446/7,515.48 = 3,088.15/x
  3. Step 3: Cross multiply
    5,446x = 7,515.48 × 3,088.15
  4. Step 4: Simplify right side
    5,446x = 23,208,929.56
  5. Step 5: Solve for x
    x = 23,208,929.56/5,446
  6. Step 6: Final answer
    x = 4,261.65

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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.