Home / 5,447.04-8,170.96-1,698.34

Finding the Fourth Proportional to 5,447.04, 8,170.96 and 1,698.34

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Solution

The fourth proportional to 5,447.04, 8,170.96 and 1,698.34 is: 2,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.04 : 8,170.96 = 1,698.34 : x
  2. Step 2: Convert to fraction form
    5,447.04/8,170.96 = 1,698.34/x
  3. Step 3: Cross multiply
    5,447.04x = 8,170.96 × 1,698.34
  4. Step 4: Simplify right side
    5,447.04x = 13,877,068.21
  5. Step 5: Solve for x
    x = 13,877,068.21/5,447.04
  6. Step 6: Final answer
    x = 2,547.63

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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.