Home / 5,459.87-7,534.86-3,102.23

Finding the Fourth Proportional to 5,459.87, 7,534.86 and 3,102.23

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Solution

The fourth proportional to 5,459.87, 7,534.86 and 3,102.23 is: 4,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.87 : 7,534.86 = 3,102.23 : x
  2. Step 2: Convert to fraction form
    5,459.87/7,534.86 = 3,102.23/x
  3. Step 3: Cross multiply
    5,459.87x = 7,534.86 × 3,102.23
  4. Step 4: Simplify right side
    5,459.87x = 23,374,875.94
  5. Step 5: Solve for x
    x = 23,374,875.94/5,459.87
  6. Step 6: Final answer
    x = 4,281.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.