Home / 5,735.10-7,915.55-3,378.54

Finding the Fourth Proportional to 5,735.10, 7,915.55 and 3,378.54

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Solution

The fourth proportional to 5,735.10, 7,915.55 and 3,378.54 is: 4,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.10 : 7,915.55 = 3,378.54 : x
  2. Step 2: Convert to fraction form
    5,735.10/7,915.55 = 3,378.54/x
  3. Step 3: Cross multiply
    5,735.10x = 7,915.55 × 3,378.54
  4. Step 4: Simplify right side
    5,735.10x = 26,742,985.40
  5. Step 5: Solve for x
    x = 26,742,985.40/5,735.10
  6. Step 6: Final answer
    x = 4,663.04

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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.