Home / 3,725.74-5,580.10-1,779.32

Finding the Fourth Proportional to 3,725.74, 5,580.10 and 1,779.32

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Solution

The fourth proportional to 3,725.74, 5,580.10 and 1,779.32 is: 2,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.74 : 5,580.10 = 1,779.32 : x
  2. Step 2: Convert to fraction form
    3,725.74/5,580.10 = 1,779.32/x
  3. Step 3: Cross multiply
    3,725.74x = 5,580.10 × 1,779.32
  4. Step 4: Simplify right side
    3,725.74x = 9,928,783.53
  5. Step 5: Solve for x
    x = 9,928,783.53/3,725.74
  6. Step 6: Final answer
    x = 2,664.92

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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.