Home / 5,719.16-8,580.15-2,021.10

Finding the Fourth Proportional to 5,719.16, 8,580.15 and 2,021.10

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Solution

The fourth proportional to 5,719.16, 8,580.15 and 2,021.10 is: 3,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.16 : 8,580.15 = 2,021.10 : x
  2. Step 2: Convert to fraction form
    5,719.16/8,580.15 = 2,021.10/x
  3. Step 3: Cross multiply
    5,719.16x = 8,580.15 × 2,021.10
  4. Step 4: Simplify right side
    5,719.16x = 17,341,341.17
  5. Step 5: Solve for x
    x = 17,341,341.17/5,719.16
  6. Step 6: Final answer
    x = 3,032.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.