Home / 5,746.28-7,929.56-3,228.50

Finding the Fourth Proportional to 5,746.28, 7,929.56 and 3,228.50

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Solution

The fourth proportional to 5,746.28, 7,929.56 and 3,228.50 is: 4,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.28 : 7,929.56 = 3,228.50 : x
  2. Step 2: Convert to fraction form
    5,746.28/7,929.56 = 3,228.50/x
  3. Step 3: Cross multiply
    5,746.28x = 7,929.56 × 3,228.50
  4. Step 4: Simplify right side
    5,746.28x = 25,600,552.88
  5. Step 5: Solve for x
    x = 25,600,552.88/5,746.28
  6. Step 6: Final answer
    x = 4,455.16

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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.