Home / 4,641.15-6,404.95-3,318.01

Finding the Fourth Proportional to 4,641.15, 6,404.95 and 3,318.01

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Solution

The fourth proportional to 4,641.15, 6,404.95 and 3,318.01 is: 4,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.15 : 6,404.95 = 3,318.01 : x
  2. Step 2: Convert to fraction form
    4,641.15/6,404.95 = 3,318.01/x
  3. Step 3: Cross multiply
    4,641.15x = 6,404.95 × 3,318.01
  4. Step 4: Simplify right side
    4,641.15x = 21,251,702.98
  5. Step 5: Solve for x
    x = 21,251,702.98/4,641.15
  6. Step 6: Final answer
    x = 4,578.98

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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.