Home / 7,345.85-11,017.36-2,079.59

Finding the Fourth Proportional to 7,345.85, 11,017.36 and 2,079.59

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Solution

The fourth proportional to 7,345.85, 11,017.36 and 2,079.59 is: 3,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.85 : 11,017.36 = 2,079.59 : x
  2. Step 2: Convert to fraction form
    7,345.85/11,017.36 = 2,079.59/x
  3. Step 3: Cross multiply
    7,345.85x = 11,017.36 × 2,079.59
  4. Step 4: Simplify right side
    7,345.85x = 22,911,531.40
  5. Step 5: Solve for x
    x = 22,911,531.40/7,345.85
  6. Step 6: Final answer
    x = 3,118.98

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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.