Home / 5,711.62-7,877.19-4,530.64

Finding the Fourth Proportional to 5,711.62, 7,877.19 and 4,530.64

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Solution

The fourth proportional to 5,711.62, 7,877.19 and 4,530.64 is: 6,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.62 : 7,877.19 = 4,530.64 : x
  2. Step 2: Convert to fraction form
    5,711.62/7,877.19 = 4,530.64/x
  3. Step 3: Cross multiply
    5,711.62x = 7,877.19 × 4,530.64
  4. Step 4: Simplify right side
    5,711.62x = 35,688,712.10
  5. Step 5: Solve for x
    x = 35,688,712.10/5,711.62
  6. Step 6: Final answer
    x = 6,248.44

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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.