Home / 6,220.87-8,577.77-4,539.31

Finding the Fourth Proportional to 6,220.87, 8,577.77 and 4,539.31

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Solution

The fourth proportional to 6,220.87, 8,577.77 and 4,539.31 is: 6,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.87 : 8,577.77 = 4,539.31 : x
  2. Step 2: Convert to fraction form
    6,220.87/8,577.77 = 4,539.31/x
  3. Step 3: Cross multiply
    6,220.87x = 8,577.77 × 4,539.31
  4. Step 4: Simplify right side
    6,220.87x = 38,937,113.00
  5. Step 5: Solve for x
    x = 38,937,113.00/6,220.87
  6. Step 6: Final answer
    x = 6,259.11

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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.