Home / 7,712.37-10,643.11-4,175.60

Finding the Fourth Proportional to 7,712.37, 10,643.11 and 4,175.60

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Solution

The fourth proportional to 7,712.37, 10,643.11 and 4,175.60 is: 5,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.37 : 10,643.11 = 4,175.60 : x
  2. Step 2: Convert to fraction form
    7,712.37/10,643.11 = 4,175.60/x
  3. Step 3: Cross multiply
    7,712.37x = 10,643.11 × 4,175.60
  4. Step 4: Simplify right side
    7,712.37x = 44,441,370.12
  5. Step 5: Solve for x
    x = 44,441,370.12/7,712.37
  6. Step 6: Final answer
    x = 5,762.35

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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.