Home / 2,197.74-3,031.48-1,534.35

Finding the Fourth Proportional to 2,197.74, 3,031.48 and 1,534.35

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Solution

The fourth proportional to 2,197.74, 3,031.48 and 1,534.35 is: 2,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.74 : 3,031.48 = 1,534.35 : x
  2. Step 2: Convert to fraction form
    2,197.74/3,031.48 = 1,534.35/x
  3. Step 3: Cross multiply
    2,197.74x = 3,031.48 × 1,534.35
  4. Step 4: Simplify right side
    2,197.74x = 4,651,351.34
  5. Step 5: Solve for x
    x = 4,651,351.34/2,197.74
  6. Step 6: Final answer
    x = 2,116.42

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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.