Home / 3,525.12-4,864.65-1,953.21

Finding the Fourth Proportional to 3,525.12, 4,864.65 and 1,953.21

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Solution

The fourth proportional to 3,525.12, 4,864.65 and 1,953.21 is: 2,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.12 : 4,864.65 = 1,953.21 : x
  2. Step 2: Convert to fraction form
    3,525.12/4,864.65 = 1,953.21/x
  3. Step 3: Cross multiply
    3,525.12x = 4,864.65 × 1,953.21
  4. Step 4: Simplify right side
    3,525.12x = 9,501,683.03
  5. Step 5: Solve for x
    x = 9,501,683.03/3,525.12
  6. Step 6: Final answer
    x = 2,695.42

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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.