Home / 3,031.40-4,547.72-1,083.56

Finding the Fourth Proportional to 3,031.40, 4,547.72 and 1,083.56

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Solution

The fourth proportional to 3,031.40, 4,547.72 and 1,083.56 is: 1,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.40 : 4,547.72 = 1,083.56 : x
  2. Step 2: Convert to fraction form
    3,031.40/4,547.72 = 1,083.56/x
  3. Step 3: Cross multiply
    3,031.40x = 4,547.72 × 1,083.56
  4. Step 4: Simplify right side
    3,031.40x = 4,927,699.33
  5. Step 5: Solve for x
    x = 4,927,699.33/3,031.40
  6. Step 6: Final answer
    x = 1,625.55

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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.