Home / 5,031.86-7,547.88-1,745.06

Finding the Fourth Proportional to 5,031.86, 7,547.88 and 1,745.06

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Solution

The fourth proportional to 5,031.86, 7,547.88 and 1,745.06 is: 2,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.86 : 7,547.88 = 1,745.06 : x
  2. Step 2: Convert to fraction form
    5,031.86/7,547.88 = 1,745.06/x
  3. Step 3: Cross multiply
    5,031.86x = 7,547.88 × 1,745.06
  4. Step 4: Simplify right side
    5,031.86x = 13,171,465.73
  5. Step 5: Solve for x
    x = 13,171,465.73/5,031.86
  6. Step 6: Final answer
    x = 2,617.62

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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.