Home / 5,609.04-8,412.84-1,712.40

Finding the Fourth Proportional to 5,609.04, 8,412.84 and 1,712.40

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Solution

The fourth proportional to 5,609.04, 8,412.84 and 1,712.40 is: 2,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.04 : 8,412.84 = 1,712.40 : x
  2. Step 2: Convert to fraction form
    5,609.04/8,412.84 = 1,712.40/x
  3. Step 3: Cross multiply
    5,609.04x = 8,412.84 × 1,712.40
  4. Step 4: Simplify right side
    5,609.04x = 14,406,147.22
  5. Step 5: Solve for x
    x = 14,406,147.22/5,609.04
  6. Step 6: Final answer
    x = 2,568.38

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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.