Home / 3,031.90-4,184.27-1,705.53

Finding the Fourth Proportional to 3,031.90, 4,184.27 and 1,705.53

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Solution

The fourth proportional to 3,031.90, 4,184.27 and 1,705.53 is: 2,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.90 : 4,184.27 = 1,705.53 : x
  2. Step 2: Convert to fraction form
    3,031.90/4,184.27 = 1,705.53/x
  3. Step 3: Cross multiply
    3,031.90x = 4,184.27 × 1,705.53
  4. Step 4: Simplify right side
    3,031.90x = 7,136,368.56
  5. Step 5: Solve for x
    x = 7,136,368.56/3,031.90
  6. Step 6: Final answer
    x = 2,353.76

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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.