Home / 6,543.98-9,029.36-4,154.70

Finding the Fourth Proportional to 6,543.98, 9,029.36 and 4,154.70

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Solution

The fourth proportional to 6,543.98, 9,029.36 and 4,154.70 is: 5,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.98 : 9,029.36 = 4,154.70 : x
  2. Step 2: Convert to fraction form
    6,543.98/9,029.36 = 4,154.70/x
  3. Step 3: Cross multiply
    6,543.98x = 9,029.36 × 4,154.70
  4. Step 4: Simplify right side
    6,543.98x = 37,514,281.99
  5. Step 5: Solve for x
    x = 37,514,281.99/6,543.98
  6. Step 6: Final answer
    x = 5,732.64

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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.