Home / 4,079.95-6,119.99-1,158.26

Finding the Fourth Proportional to 4,079.95, 6,119.99 and 1,158.26

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Solution

The fourth proportional to 4,079.95, 6,119.99 and 1,158.26 is: 1,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.95 : 6,119.99 = 1,158.26 : x
  2. Step 2: Convert to fraction form
    4,079.95/6,119.99 = 1,158.26/x
  3. Step 3: Cross multiply
    4,079.95x = 6,119.99 × 1,158.26
  4. Step 4: Simplify right side
    4,079.95x = 7,088,503.23
  5. Step 5: Solve for x
    x = 7,088,503.23/4,079.95
  6. Step 6: Final answer
    x = 1,737.40

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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.