Home / 7,740.18-10,682.15-4,383.81

Finding the Fourth Proportional to 7,740.18, 10,682.15 and 4,383.81

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Solution

The fourth proportional to 7,740.18, 10,682.15 and 4,383.81 is: 6,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.18 : 10,682.15 = 4,383.81 : x
  2. Step 2: Convert to fraction form
    7,740.18/10,682.15 = 4,383.81/x
  3. Step 3: Cross multiply
    7,740.18x = 10,682.15 × 4,383.81
  4. Step 4: Simplify right side
    7,740.18x = 46,828,494.07
  5. Step 5: Solve for x
    x = 46,828,494.07/7,740.18
  6. Step 6: Final answer
    x = 6,050.05

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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.