Home / 5,719.64-8,576.71-2,430.95

Finding the Fourth Proportional to 5,719.64, 8,576.71 and 2,430.95

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Solution

The fourth proportional to 5,719.64, 8,576.71 and 2,430.95 is: 3,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.64 : 8,576.71 = 2,430.95 : x
  2. Step 2: Convert to fraction form
    5,719.64/8,576.71 = 2,430.95/x
  3. Step 3: Cross multiply
    5,719.64x = 8,576.71 × 2,430.95
  4. Step 4: Simplify right side
    5,719.64x = 20,849,504.21
  5. Step 5: Solve for x
    x = 20,849,504.21/5,719.64
  6. Step 6: Final answer
    x = 3,645.25

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1.5x scale

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.