Home / 7,740.48-10,687.42-4,760.32

Finding the Fourth Proportional to 7,740.48, 10,687.42 and 4,760.32

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Solution

The fourth proportional to 7,740.48, 10,687.42 and 4,760.32 is: 6,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.48 : 10,687.42 = 4,760.32 : x
  2. Step 2: Convert to fraction form
    7,740.48/10,687.42 = 4,760.32/x
  3. Step 3: Cross multiply
    7,740.48x = 10,687.42 × 4,760.32
  4. Step 4: Simplify right side
    7,740.48x = 50,875,539.17
  5. Step 5: Solve for x
    x = 50,875,539.17/7,740.48
  6. Step 6: Final answer
    x = 6,572.66

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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.