Home / 6,218.58-8,574.53-4,644.02

Finding the Fourth Proportional to 6,218.58, 8,574.53 and 4,644.02

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Solution

The fourth proportional to 6,218.58, 8,574.53 and 4,644.02 is: 6,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.58 : 8,574.53 = 4,644.02 : x
  2. Step 2: Convert to fraction form
    6,218.58/8,574.53 = 4,644.02/x
  3. Step 3: Cross multiply
    6,218.58x = 8,574.53 × 4,644.02
  4. Step 4: Simplify right side
    6,218.58x = 39,820,288.81
  5. Step 5: Solve for x
    x = 39,820,288.81/6,218.58
  6. Step 6: Final answer
    x = 6,403.44

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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.