Home / 5,160.24-7,119.90-4,032.72

Finding the Fourth Proportional to 5,160.24, 7,119.90 and 4,032.72

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Solution

The fourth proportional to 5,160.24, 7,119.90 and 4,032.72 is: 5,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.24 : 7,119.90 = 4,032.72 : x
  2. Step 2: Convert to fraction form
    5,160.24/7,119.90 = 4,032.72/x
  3. Step 3: Cross multiply
    5,160.24x = 7,119.90 × 4,032.72
  4. Step 4: Simplify right side
    5,160.24x = 28,712,563.13
  5. Step 5: Solve for x
    x = 28,712,563.13/5,160.24
  6. Step 6: Final answer
    x = 5,564.19

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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.