Home / 5,742.68-7,924.50-5,272.14

Finding the Fourth Proportional to 5,742.68, 7,924.50 and 5,272.14

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Solution

The fourth proportional to 5,742.68, 7,924.50 and 5,272.14 is: 7,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.68 : 7,924.50 = 5,272.14 : x
  2. Step 2: Convert to fraction form
    5,742.68/7,924.50 = 5,272.14/x
  3. Step 3: Cross multiply
    5,742.68x = 7,924.50 × 5,272.14
  4. Step 4: Simplify right side
    5,742.68x = 41,779,036.33
  5. Step 5: Solve for x
    x = 41,779,036.33/5,742.68
  6. Step 6: Final answer
    x = 7,275.17

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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.