Home / 5,746.53-7,929.91-3,228.74

Finding the Fourth Proportional to 5,746.53, 7,929.91 and 3,228.74

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Solution

The fourth proportional to 5,746.53, 7,929.91 and 3,228.74 is: 4,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.53 : 7,929.91 = 3,228.74 : x
  2. Step 2: Convert to fraction form
    5,746.53/7,929.91 = 3,228.74/x
  3. Step 3: Cross multiply
    5,746.53x = 7,929.91 × 3,228.74
  4. Step 4: Simplify right side
    5,746.53x = 25,603,617.61
  5. Step 5: Solve for x
    x = 25,603,617.61/5,746.53
  6. Step 6: Final answer
    x = 4,455.49

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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.