Home / 5,729.30-8,585.84-2,439.08

Finding the Fourth Proportional to 5,729.30, 8,585.84 and 2,439.08

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Solution

The fourth proportional to 5,729.30, 8,585.84 and 2,439.08 is: 3,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.30 : 8,585.84 = 2,439.08 : x
  2. Step 2: Convert to fraction form
    5,729.30/8,585.84 = 2,439.08/x
  3. Step 3: Cross multiply
    5,729.30x = 8,585.84 × 2,439.08
  4. Step 4: Simplify right side
    5,729.30x = 20,941,495.50
  5. Step 5: Solve for x
    x = 20,941,495.50/5,729.30
  6. Step 6: Final answer
    x = 3,655.16

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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.