Home / 2,666.17-3,679.48-1,547.23

Finding the Fourth Proportional to 2,666.17, 3,679.48 and 1,547.23

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Solution

The fourth proportional to 2,666.17, 3,679.48 and 1,547.23 is: 2,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.17 : 3,679.48 = 1,547.23 : x
  2. Step 2: Convert to fraction form
    2,666.17/3,679.48 = 1,547.23/x
  3. Step 3: Cross multiply
    2,666.17x = 3,679.48 × 1,547.23
  4. Step 4: Simplify right side
    2,666.17x = 5,692,982.42
  5. Step 5: Solve for x
    x = 5,692,982.42/2,666.17
  6. Step 6: Final answer
    x = 2,135.27

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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.