Home / 4,699.02-6,486.32-2,907.89

Finding the Fourth Proportional to 4,699.02, 6,486.32 and 2,907.89

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Solution

The fourth proportional to 4,699.02, 6,486.32 and 2,907.89 is: 4,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.02 : 6,486.32 = 2,907.89 : x
  2. Step 2: Convert to fraction form
    4,699.02/6,486.32 = 2,907.89/x
  3. Step 3: Cross multiply
    4,699.02x = 6,486.32 × 2,907.89
  4. Step 4: Simplify right side
    4,699.02x = 18,861,458.09
  5. Step 5: Solve for x
    x = 18,861,458.09/4,699.02
  6. Step 6: Final answer
    x = 4,013.91

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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.