Home / 2,398.39-3,308.22-1,547.26

Finding the Fourth Proportional to 2,398.39, 3,308.22 and 1,547.26

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Solution

The fourth proportional to 2,398.39, 3,308.22 and 1,547.26 is: 2,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.39 : 3,308.22 = 1,547.26 : x
  2. Step 2: Convert to fraction form
    2,398.39/3,308.22 = 1,547.26/x
  3. Step 3: Cross multiply
    2,398.39x = 3,308.22 × 1,547.26
  4. Step 4: Simplify right side
    2,398.39x = 5,118,676.48
  5. Step 5: Solve for x
    x = 5,118,676.48/2,398.39
  6. Step 6: Final answer
    x = 2,134.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.