Home / 4,781.52-7,118.55-4,758.35

Finding the Fourth Proportional to 4,781.52, 7,118.55 and 4,758.35

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Solution

The fourth proportional to 4,781.52, 7,118.55 and 4,758.35 is: 7,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.52 : 7,118.55 = 4,758.35 : x
  2. Step 2: Convert to fraction form
    4,781.52/7,118.55 = 4,758.35/x
  3. Step 3: Cross multiply
    4,781.52x = 7,118.55 × 4,758.35
  4. Step 4: Simplify right side
    4,781.52x = 33,872,516.80
  5. Step 5: Solve for x
    x = 33,872,516.80/4,781.52
  6. Step 6: Final answer
    x = 7,084.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.