Home / 2,418.16-3,627.36-1,031.68

Finding the Fourth Proportional to 2,418.16, 3,627.36 and 1,031.68

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Solution

The fourth proportional to 2,418.16, 3,627.36 and 1,031.68 is: 1,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.16 : 3,627.36 = 1,031.68 : x
  2. Step 2: Convert to fraction form
    2,418.16/3,627.36 = 1,031.68/x
  3. Step 3: Cross multiply
    2,418.16x = 3,627.36 × 1,031.68
  4. Step 4: Simplify right side
    2,418.16x = 3,742,274.76
  5. Step 5: Solve for x
    x = 3,742,274.76/2,418.16
  6. Step 6: Final answer
    x = 1,547.57

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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.