Home / 5,620.93-8,431.55-1,725.33

Finding the Fourth Proportional to 5,620.93, 8,431.55 and 1,725.33

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Solution

The fourth proportional to 5,620.93, 8,431.55 and 1,725.33 is: 2,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.93 : 8,431.55 = 1,725.33 : x
  2. Step 2: Convert to fraction form
    5,620.93/8,431.55 = 1,725.33/x
  3. Step 3: Cross multiply
    5,620.93x = 8,431.55 × 1,725.33
  4. Step 4: Simplify right side
    5,620.93x = 14,547,235.62
  5. Step 5: Solve for x
    x = 14,547,235.62/5,620.93
  6. Step 6: Final answer
    x = 2,588.05

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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.