Home / 5,155.81-7,110.63-3,475.01

Finding the Fourth Proportional to 5,155.81, 7,110.63 and 3,475.01

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Solution

The fourth proportional to 5,155.81, 7,110.63 and 3,475.01 is: 4,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.81 : 7,110.63 = 3,475.01 : x
  2. Step 2: Convert to fraction form
    5,155.81/7,110.63 = 3,475.01/x
  3. Step 3: Cross multiply
    5,155.81x = 7,110.63 × 3,475.01
  4. Step 4: Simplify right side
    5,155.81x = 24,709,475.20
  5. Step 5: Solve for x
    x = 24,709,475.20/5,155.81
  6. Step 6: Final answer
    x = 4,792.55

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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.