Home / 5,241.52-7,860.60-1,730.86

Finding the Fourth Proportional to 5,241.52, 7,860.60 and 1,730.86

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Solution

The fourth proportional to 5,241.52, 7,860.60 and 1,730.86 is: 2,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.52 : 7,860.60 = 1,730.86 : x
  2. Step 2: Convert to fraction form
    5,241.52/7,860.60 = 1,730.86/x
  3. Step 3: Cross multiply
    5,241.52x = 7,860.60 × 1,730.86
  4. Step 4: Simplify right side
    5,241.52x = 13,605,598.12
  5. Step 5: Solve for x
    x = 13,605,598.12/5,241.52
  6. Step 6: Final answer
    x = 2,595.74

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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.