Home / 5,570.90-8,357.76-1,675.20

Finding the Fourth Proportional to 5,570.90, 8,357.76 and 1,675.20

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Solution

The fourth proportional to 5,570.90, 8,357.76 and 1,675.20 is: 2,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.90 : 8,357.76 = 1,675.20 : x
  2. Step 2: Convert to fraction form
    5,570.90/8,357.76 = 1,675.20/x
  3. Step 3: Cross multiply
    5,570.90x = 8,357.76 × 1,675.20
  4. Step 4: Simplify right side
    5,570.90x = 14,000,919.55
  5. Step 5: Solve for x
    x = 14,000,919.55/5,570.90
  6. Step 6: Final answer
    x = 2,513.22

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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.