Home / 3,526.32-5,290.20-1,186.05

Finding the Fourth Proportional to 3,526.32, 5,290.20 and 1,186.05

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Solution

The fourth proportional to 3,526.32, 5,290.20 and 1,186.05 is: 1,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.32 : 5,290.20 = 1,186.05 : x
  2. Step 2: Convert to fraction form
    3,526.32/5,290.20 = 1,186.05/x
  3. Step 3: Cross multiply
    3,526.32x = 5,290.20 × 1,186.05
  4. Step 4: Simplify right side
    3,526.32x = 6,274,441.71
  5. Step 5: Solve for x
    x = 6,274,441.71/3,526.32
  6. Step 6: Final answer
    x = 1,779.32

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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.