Home / 7,790.31-10,750.60-4,433.10

Finding the Fourth Proportional to 7,790.31, 10,750.60 and 4,433.10

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Solution

The fourth proportional to 7,790.31, 10,750.60 and 4,433.10 is: 6,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.31 : 10,750.60 = 4,433.10 : x
  2. Step 2: Convert to fraction form
    7,790.31/10,750.60 = 4,433.10/x
  3. Step 3: Cross multiply
    7,790.31x = 10,750.60 × 4,433.10
  4. Step 4: Simplify right side
    7,790.31x = 47,658,528.33
  5. Step 5: Solve for x
    x = 47,658,528.33/7,790.31
  6. Step 6: Final answer
    x = 6,117.66

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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.