Home / 5,716.40-8,573.52-2,429.60

Finding the Fourth Proportional to 5,716.40, 8,573.52 and 2,429.60

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Solution

The fourth proportional to 5,716.40, 8,573.52 and 2,429.60 is: 3,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.40 : 8,573.52 = 2,429.60 : x
  2. Step 2: Convert to fraction form
    5,716.40/8,573.52 = 2,429.60/x
  3. Step 3: Cross multiply
    5,716.40x = 8,573.52 × 2,429.60
  4. Step 4: Simplify right side
    5,716.40x = 20,830,224.19
  5. Step 5: Solve for x
    x = 20,830,224.19/5,716.40
  6. Step 6: Final answer
    x = 3,643.94

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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.