Home / 7,091.41-9,783.31-4,258.95

Finding the Fourth Proportional to 7,091.41, 9,783.31 and 4,258.95

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Solution

The fourth proportional to 7,091.41, 9,783.31 and 4,258.95 is: 5,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.41 : 9,783.31 = 4,258.95 : x
  2. Step 2: Convert to fraction form
    7,091.41/9,783.31 = 4,258.95/x
  3. Step 3: Cross multiply
    7,091.41x = 9,783.31 × 4,258.95
  4. Step 4: Simplify right side
    7,091.41x = 41,666,628.12
  5. Step 5: Solve for x
    x = 41,666,628.12/7,091.41
  6. Step 6: Final answer
    x = 5,875.65

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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.