Home / 4,893.20-7,339.80-4,666.40

Finding the Fourth Proportional to 4,893.20, 7,339.80 and 4,666.40

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Solution

The fourth proportional to 4,893.20, 7,339.80 and 4,666.40 is: 6,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.20 : 7,339.80 = 4,666.40 : x
  2. Step 2: Convert to fraction form
    4,893.20/7,339.80 = 4,666.40/x
  3. Step 3: Cross multiply
    4,893.20x = 7,339.80 × 4,666.40
  4. Step 4: Simplify right side
    4,893.20x = 34,250,442.72
  5. Step 5: Solve for x
    x = 34,250,442.72/4,893.20
  6. Step 6: Final answer
    x = 6,999.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.