Home / 6,218.04-8,580.74-3,529.76

Finding the Fourth Proportional to 6,218.04, 8,580.74 and 3,529.76

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Solution

The fourth proportional to 6,218.04, 8,580.74 and 3,529.76 is: 4,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.04 : 8,580.74 = 3,529.76 : x
  2. Step 2: Convert to fraction form
    6,218.04/8,580.74 = 3,529.76/x
  3. Step 3: Cross multiply
    6,218.04x = 8,580.74 × 3,529.76
  4. Step 4: Simplify right side
    6,218.04x = 30,287,952.82
  5. Step 5: Solve for x
    x = 30,287,952.82/6,218.04
  6. Step 6: Final answer
    x = 4,870.98

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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.