Home / 7,731.89-10,670.01-4,374.63

Finding the Fourth Proportional to 7,731.89, 10,670.01 and 4,374.63

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Solution

The fourth proportional to 7,731.89, 10,670.01 and 4,374.63 is: 6,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.89 : 10,670.01 = 4,374.63 : x
  2. Step 2: Convert to fraction form
    7,731.89/10,670.01 = 4,374.63/x
  3. Step 3: Cross multiply
    7,731.89x = 10,670.01 × 4,374.63
  4. Step 4: Simplify right side
    7,731.89x = 46,677,345.85
  5. Step 5: Solve for x
    x = 46,677,345.85/7,731.89
  6. Step 6: Final answer
    x = 6,036.99

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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.