Home / 5,567.76-7,678.26-4,391.64

Finding the Fourth Proportional to 5,567.76, 7,678.26 and 4,391.64

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Solution

The fourth proportional to 5,567.76, 7,678.26 and 4,391.64 is: 6,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.76 : 7,678.26 = 4,391.64 : x
  2. Step 2: Convert to fraction form
    5,567.76/7,678.26 = 4,391.64/x
  3. Step 3: Cross multiply
    5,567.76x = 7,678.26 × 4,391.64
  4. Step 4: Simplify right side
    5,567.76x = 33,720,153.75
  5. Step 5: Solve for x
    x = 33,720,153.75/5,567.76
  6. Step 6: Final answer
    x = 6,056.32

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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.