Home / 5,700.48-7,862.40-3,837.12

Finding the Fourth Proportional to 5,700.48, 7,862.40 and 3,837.12

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Solution

The fourth proportional to 5,700.48, 7,862.40 and 3,837.12 is: 5,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.48 : 7,862.40 = 3,837.12 : x
  2. Step 2: Convert to fraction form
    5,700.48/7,862.40 = 3,837.12/x
  3. Step 3: Cross multiply
    5,700.48x = 7,862.40 × 3,837.12
  4. Step 4: Simplify right side
    5,700.48x = 30,168,972.29
  5. Step 5: Solve for x
    x = 30,168,972.29/5,700.48
  6. Step 6: Final answer
    x = 5,292.36

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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.