Home / 7,740.67-10,681.77-4,383.41

Finding the Fourth Proportional to 7,740.67, 10,681.77 and 4,383.41

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Solution

The fourth proportional to 7,740.67, 10,681.77 and 4,383.41 is: 6,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.67 : 10,681.77 = 4,383.41 : x
  2. Step 2: Convert to fraction form
    7,740.67/10,681.77 = 4,383.41/x
  3. Step 3: Cross multiply
    7,740.67x = 10,681.77 × 4,383.41
  4. Step 4: Simplify right side
    7,740.67x = 46,822,531.50
  5. Step 5: Solve for x
    x = 46,822,531.50/7,740.67
  6. Step 6: Final answer
    x = 6,048.90

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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.