Home / 5,868.10-8,097.80-3,215.42

Finding the Fourth Proportional to 5,868.10, 8,097.80 and 3,215.42

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Solution

The fourth proportional to 5,868.10, 8,097.80 and 3,215.42 is: 4,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.10 : 8,097.80 = 3,215.42 : x
  2. Step 2: Convert to fraction form
    5,868.10/8,097.80 = 3,215.42/x
  3. Step 3: Cross multiply
    5,868.10x = 8,097.80 × 3,215.42
  4. Step 4: Simplify right side
    5,868.10x = 26,037,828.08
  5. Step 5: Solve for x
    x = 26,037,828.08/5,868.10
  6. Step 6: Final answer
    x = 4,437.18

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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.