Home / 5,235.09-7,853.72-1,772.25

Finding the Fourth Proportional to 5,235.09, 7,853.72 and 1,772.25

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Solution

The fourth proportional to 5,235.09, 7,853.72 and 1,772.25 is: 2,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.09 : 7,853.72 = 1,772.25 : x
  2. Step 2: Convert to fraction form
    5,235.09/7,853.72 = 1,772.25/x
  3. Step 3: Cross multiply
    5,235.09x = 7,853.72 × 1,772.25
  4. Step 4: Simplify right side
    5,235.09x = 13,918,746.41
  5. Step 5: Solve for x
    x = 13,918,746.41/5,235.09
  6. Step 6: Final answer
    x = 2,658.74

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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.