Home / 5,235.41-7,854.35-1,725.47

Finding the Fourth Proportional to 5,235.41, 7,854.35 and 1,725.47

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Solution

The fourth proportional to 5,235.41, 7,854.35 and 1,725.47 is: 2,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.41 : 7,854.35 = 1,725.47 : x
  2. Step 2: Convert to fraction form
    5,235.41/7,854.35 = 1,725.47/x
  3. Step 3: Cross multiply
    5,235.41x = 7,854.35 × 1,725.47
  4. Step 4: Simplify right side
    5,235.41x = 13,552,397.40
  5. Step 5: Solve for x
    x = 13,552,397.40/5,235.41
  6. Step 6: Final answer
    x = 2,588.61

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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.