Home / 3,031.87-4,549.90-1,057.52

Finding the Fourth Proportional to 3,031.87, 4,549.90 and 1,057.52

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Solution

The fourth proportional to 3,031.87, 4,549.90 and 1,057.52 is: 1,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.87 : 4,549.90 = 1,057.52 : x
  2. Step 2: Convert to fraction form
    3,031.87/4,549.90 = 1,057.52/x
  3. Step 3: Cross multiply
    3,031.87x = 4,549.90 × 1,057.52
  4. Step 4: Simplify right side
    3,031.87x = 4,811,582.21
  5. Step 5: Solve for x
    x = 4,811,582.21/3,031.87
  6. Step 6: Final answer
    x = 1,587.00

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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.