Home / 5,735.12-7,915.59-3,345.38

Finding the Fourth Proportional to 5,735.12, 7,915.59 and 3,345.38

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Solution

The fourth proportional to 5,735.12, 7,915.59 and 3,345.38 is: 4,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.12 : 7,915.59 = 3,345.38 : x
  2. Step 2: Convert to fraction form
    5,735.12/7,915.59 = 3,345.38/x
  3. Step 3: Cross multiply
    5,735.12x = 7,915.59 × 3,345.38
  4. Step 4: Simplify right side
    5,735.12x = 26,480,600.17
  5. Step 5: Solve for x
    x = 26,480,600.17/5,735.12
  6. Step 6: Final answer
    x = 4,617.27

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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.