Home / 5,755.47-8,632.59-1,858.96

Finding the Fourth Proportional to 5,755.47, 8,632.59 and 1,858.96

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Solution

The fourth proportional to 5,755.47, 8,632.59 and 1,858.96 is: 2,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.47 : 8,632.59 = 1,858.96 : x
  2. Step 2: Convert to fraction form
    5,755.47/8,632.59 = 1,858.96/x
  3. Step 3: Cross multiply
    5,755.47x = 8,632.59 × 1,858.96
  4. Step 4: Simplify right side
    5,755.47x = 16,047,639.51
  5. Step 5: Solve for x
    x = 16,047,639.51/5,755.47
  6. Step 6: Final answer
    x = 2,788.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.