Home / 5,746.40-7,929.82-3,512.02

Finding the Fourth Proportional to 5,746.40, 7,929.82 and 3,512.02

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Solution

The fourth proportional to 5,746.40, 7,929.82 and 3,512.02 is: 4,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.40 : 7,929.82 = 3,512.02 : x
  2. Step 2: Convert to fraction form
    5,746.40/7,929.82 = 3,512.02/x
  3. Step 3: Cross multiply
    5,746.40x = 7,929.82 × 3,512.02
  4. Step 4: Simplify right side
    5,746.40x = 27,849,686.44
  5. Step 5: Solve for x
    x = 27,849,686.44/5,746.40
  6. Step 6: Final answer
    x = 4,846.46

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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.