Home / 5,140.31-7,096.41-3,565.67

Finding the Fourth Proportional to 5,140.31, 7,096.41 and 3,565.67

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Solution

The fourth proportional to 5,140.31, 7,096.41 and 3,565.67 is: 4,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.31 : 7,096.41 = 3,565.67 : x
  2. Step 2: Convert to fraction form
    5,140.31/7,096.41 = 3,565.67/x
  3. Step 3: Cross multiply
    5,140.31x = 7,096.41 × 3,565.67
  4. Step 4: Simplify right side
    5,140.31x = 25,303,420.76
  5. Step 5: Solve for x
    x = 25,303,420.76/5,140.31
  6. Step 6: Final answer
    x = 4,922.55

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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.