Home / 5,724.60-7,903.80-3,574.41

Finding the Fourth Proportional to 5,724.60, 7,903.80 and 3,574.41

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Solution

The fourth proportional to 5,724.60, 7,903.80 and 3,574.41 is: 4,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.60 : 7,903.80 = 3,574.41 : x
  2. Step 2: Convert to fraction form
    5,724.60/7,903.80 = 3,574.41/x
  3. Step 3: Cross multiply
    5,724.60x = 7,903.80 × 3,574.41
  4. Step 4: Simplify right side
    5,724.60x = 28,251,440.70
  5. Step 5: Solve for x
    x = 28,251,440.70/5,724.60
  6. Step 6: Final answer
    x = 4,935.10

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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.