Home / 5,252.40-7,870.10-2,472.48

Finding the Fourth Proportional to 5,252.40, 7,870.10 and 2,472.48

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Solution

The fourth proportional to 5,252.40, 7,870.10 and 2,472.48 is: 3,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.40 : 7,870.10 = 2,472.48 : x
  2. Step 2: Convert to fraction form
    5,252.40/7,870.10 = 2,472.48/x
  3. Step 3: Cross multiply
    5,252.40x = 7,870.10 × 2,472.48
  4. Step 4: Simplify right side
    5,252.40x = 19,458,652.49
  5. Step 5: Solve for x
    x = 19,458,652.49/5,252.40
  6. Step 6: Final answer
    x = 3,704.72

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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.