Home / 5,386.82-8,080.52-1,924.06

Finding the Fourth Proportional to 5,386.82, 8,080.52 and 1,924.06

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Solution

The fourth proportional to 5,386.82, 8,080.52 and 1,924.06 is: 2,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.82 : 8,080.52 = 1,924.06 : x
  2. Step 2: Convert to fraction form
    5,386.82/8,080.52 = 1,924.06/x
  3. Step 3: Cross multiply
    5,386.82x = 8,080.52 × 1,924.06
  4. Step 4: Simplify right side
    5,386.82x = 15,547,405.31
  5. Step 5: Solve for x
    x = 15,547,405.31/5,386.82
  6. Step 6: Final answer
    x = 2,886.19

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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.