Home / 5,031.42-7,547.12-1,910.69

Finding the Fourth Proportional to 5,031.42, 7,547.12 and 1,910.69

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Solution

The fourth proportional to 5,031.42, 7,547.12 and 1,910.69 is: 2,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.42 : 7,547.12 = 1,910.69 : x
  2. Step 2: Convert to fraction form
    5,031.42/7,547.12 = 1,910.69/x
  3. Step 3: Cross multiply
    5,031.42x = 7,547.12 × 1,910.69
  4. Step 4: Simplify right side
    5,031.42x = 14,420,205.64
  5. Step 5: Solve for x
    x = 14,420,205.64/5,031.42
  6. Step 6: Final answer
    x = 2,866.03

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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.