Home / 5,552.16-7,659.28-3,312.56

Finding the Fourth Proportional to 5,552.16, 7,659.28 and 3,312.56

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Solution

The fourth proportional to 5,552.16, 7,659.28 and 3,312.56 is: 4,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.16 : 7,659.28 = 3,312.56 : x
  2. Step 2: Convert to fraction form
    5,552.16/7,659.28 = 3,312.56/x
  3. Step 3: Cross multiply
    5,552.16x = 7,659.28 × 3,312.56
  4. Step 4: Simplify right side
    5,552.16x = 25,371,824.56
  5. Step 5: Solve for x
    x = 25,371,824.56/5,552.16
  6. Step 6: Final answer
    x = 4,569.72

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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.